Where Diamonds are Mined

Argye mine located in the Kimberley region
in the far north east of Western Australia.
Owned by Rio Tinto, this mine is the world’s
largest single producer of volume of
diamonds.  However, due to low proportion
of gem quality diamonds it is not the value
leader.  It does produce 90-95% of the
world’s supply of pink diamonds.

Diavik is also owned by Rio Tinto, located in
Canada it is a very large mine.   It is located
north of Yellowknife and south of the Artic
Circle on an island.  The island is connected
by an ice road.  It is also an important part of
the regions economy employing more than
700 people and producing more than 8 million
carats annually.

Ekati diamond mine is owned by BHP
Billiton and located south of the artic circle
in the Northwest Territories of Canada.
The Ekati is Canada’s first operational
diamond mine.     Diamonds mined here
are sold under the Aurias trade name
Authenticity is verified through Canada
Mark service.  CanadaMark service is also
owned by BHP Billiton Diamonds, Inc.

Baken diamond mine is located along the
lower Orange River in South Africa.  It is
owned and operated by Trans Hex.  The
average size stone for 2004 was 1.29
carats.   In 2004, this mine produced a
78.9 carat D color flawless diamond that
sold for more than 1.8 million dollars (US),
as well as a 27.67 pink diamond that was
sold for over 1 million US dollars.

Merlin is the second of only two diamond
mines in Australia.  No longer operating it
was owned by Rio Tinto and sold to Striker
Resources, who has explored the
possibilities of reopening the mine.

Orapa is the world’s largest diamond mine.
It us located 240 Km west of
Francistown.  The mine is owned by
“Debswana” which is a partnership
between DeBeers and the government of
Botswana. This mine operates 7 days a
week.  It maintains pre primary and
primary schools for its employee’s children.
There is also a 100 bed hospital and game
park.  This mine began production in 1971
and is the oldest mine owned by the
Debswana Company.

The Premier mine located in Cullinan, South
Africa produced the largest gem diamond
ever in 1905.  The Cullinan Diamond
weighed 3,106.75 carats.  This mine also
produced the Golden Jubilee diamond
which weighed 545.67 carats.  This mine is
owned by the De Beers Company and was
renamed The Cullinan Diamond Mine in
2003 in celebration of its centennial.

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What Are Dirty Diamonds?

A dirty diamond is one of two things: a rough
diamond, or a diamond that hasn’t been
cleaned in a while. Rough diamonds are
uncut and unpolished – hence, they are dirty.
But that type of dirty diamond will soon be
cut and polished and sitting in a beautiful
jewel box in a display case. Then someone
will purchase it, and before long, it will
become a dirty diamond once again.

Diamonds become dirty. When you wash
your hands with a diamond ring on, soap
scum clings to it. When you put on hand
lotion, it gets grease on it. Shower with your
diamond earrings or necklace, and again,
you get soap scum. In one short day, your
brand new diamond could be dirty!

Purchase an ultrasonic jewelry cleaner the
same day that you purchase your diamond
jewelry, and use it every single day, without
fail. The clarity of the diamond changes
when the diamond is dirty – it loses its
sparkle. By taking one minute each day to
clean your diamond jewelry, you can avoid
this, and your diamonds will never be dirty!

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Synthetic Diamonds

The first synthetic diamonds were produced
by General Electric in 1954. A synthetic
diamond is basically a rock that has the
durability, refractive index and hardness of
a natural diamond – but it is made by man.
A synthetic diamond should not be
confused with stimulant diamonds, such as
glass, cubic zirconia, or moissanite.

Although the technology for synthetic
diamonds came into play in 1954, no
synthetic diamonds were ever seen on the
market until the 1990’s. This was due to the
fact that it took many years for General
Electric to produce a synthetic diamond that
could compare with the quality of a natural
diamond – and when they figured out how to
do it, they found that it cost more to produce
a synthetic diamond than it did to mine and
cut natural diamonds.

Finally, a small company by the name of
Gemesis Corporation figured out a way to
produce synthetic diamonds that were of the
same quality as natural diamonds, at a
cheaper price. Today, Gemesis produces
synthetic white diamonds, and colored
diamonds as well. These diamonds sell for
about 1/3 of the cost of a natural diamond,
but there is a shortage of them, and they are
hard to find. In fact, it seems that synthetic
diamonds are rarer than natural diamonds!

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Selecting Diamonds

Diamonds are graded for certification by
laboratories using grading criteria. Four of
these criteria are critical to understand when
making a diamond purchase or investment.
Known as the “Four C’s” these criteria are:
color, cut, clarity and carat.

Color is the result of the composition of a
diamond and it does not change. When a
jeweler is describing the color of a diamond
they are referring to the presence or absence
of color in white diamonds. Because a
diamond with no color allows maximum light
to pass through, colorless diamonds are
preferred for their sparkle.

Cut refers to a diamonds reflective quality.
Most diamonds are cut with 58 facets. The
brilliance of diamonds is heavily dependent
on the cut. The different angles and the finish
of a diamond determine its ability to reflect
light and cause its brilliance and fire.
Remember that the cut of a diamond can
have an impact on its durability as well as its
beauty. Some cutting faults can make a
diamond prone to breakage. A diamond
that is cut too thin can also cause light to
leak out of the back and the diamond will
lose some of the sparkle and appear not
to shine. So, as you can see the Cut is
probably the most important of the Four C’s.

During the formation process, inner flaws, or
inclusions occur in most diamonds. The
number and size of these inclusions
determine what is referred to as the clarity
of a diamond. Diamonds that are clear
create more brilliance and therefore are rarer
and highly priced. To be considered
“flawless”, a diamond must have no surface
or internal imperfections visible upon being
viewed by a skilled diamond grader using
10 power magnifications.

Carat is the unit of weight by which diamonds
are measured. One carat is equal to 200
milligrams. A carat is divided into 100
segments called points. 150 points would
equal one and a half carats.

When you go to the store to make that all
important diamond purchase, do not be shy!
Ask questions, get the answers needed to
make an informed purchase. Shopping for
certified diamonds enables you to make an
informed selection. Knowing the “four C’s”
allows you to comparison shop and purchase
the best diamond at a fair price.  But, before
making a purchase, shop around and decide
what shapes and styles really appeal to you.
Enjoy your diamond for years to come!

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Insuring Your Diamonds

Insuring a diamond takes a bit of thought,
planning, and shopping around. Diamond
insurance isn’t like purchasing car insurance.
It is quite different. Depending on the state
that you live in, there are basically three
different types of policies that will cover
diamonds, and all insurance policies that
cover diamonds are considered Marine
type policies.

The first type of insurance policies for
diamonds is an Actual Cash Value policy.
If the diamond is lost or damaged beyond
repair, the insurance company will replace
the diamond at today’s market value, no
matter how much you paid for the diamond
to begin with. This type of insurance policy
for diamonds actually is not that common.

The most common type of insurance for
diamonds is Replacement Value insurance.
The insurance company will only pay up to a
fixed amount to replace the diamond that was
lost or damaged beyond repair. This does not
mean that they will pay that amount – it means
 that they will pay up to that amount. In most
cases, the diamond can be replaced at a
lower cost.

The third type of coverage offered for
diamonds is Agreed Value. This is
sometimes called ‘Valued At.’ This type of
coverage is very rare. In the event that the
diamond is lost or damaged beyond repair,
 the insurance company simply pays you the
amount that you and the company agreed
upon. This is the best type of insurance to
have, but it is rarely offered. If you can’t get
Agreed Value coverage, Actual Cash Value
coverage should be your next choice.

Your rates will be determined by the value of
the diamond, the type of coverage that you
select, and the area that you live in. If you live
in an area with a high crime rate, you can
expect to pay more for your diamond
insurance coverage. It is important to
remember that insurance agents are not
qualified jewelers, and jewelers are not
qualified insurance agents. It is best to get
a certificate for your diamond, and to
provide the insurance company with a copy
of that certificate. This leaves the insurance
company less room for arguments over the
actual value of the diamond.

Don’t rely on separate coverage to cover
your diamond. For instance, if you diamond
is stolen from your home, it is probably
covered on your home owner’s insurance
policy – but the diamond probably won’t
always be in your home, and once it leaves
your home, there is no coverage.

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How to Spot A Fake Diamond

In this world of advanced technology it is
almost impossible to simply look at a
diamond and determine whether it is real or
not – especially if you don’t know much
about diamonds. There are some steps that
you can take to avoid buying a fake diamond,
however.

First, only deal with reputable jewelers, and
when you find a reputable jeweler, stick with
them. Avoid buying diamonds or other
jewelry from jewelers that you have never
dealt with before in the past. Ask to see the
certificate for the stone. If no certificate exists,
walk away.

Look at the setting that the stone is in. Fake
diamonds, such as zirconias, are usually set
in low quality metals. Take a close look at the
stone. Fake diamonds are not durable –
natural diamonds, on the other hand, are the
most durable stone on the planet. Look for
scratches or nicks.

After purchasing a diamond, take it to
another jeweler for appraisal. In fact, take it
to two or three other jewelers for an appraisal
to make sure that the appraisals are all fairly
close. If you find that you have purchased a
fake diamond, you may be accused of
making a switch when you return to the store
of your purchase; therefore, it is important to
have a certificate for the diamond. No two
stones are alike.

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How to Sell A Diamond

There are many reasons why you may want
to sell a diamond that you own. Perhaps
you’ve gotten divorced, or you are strapped
for cash. The reasons why don’t really matter
– getting the best possible price is what
counts! The way to obtain the best price
for the diamond is to not be in a rush. Slow
down, and carefully consider all of your
options – there are many.

First, have the diamond appraised. In fact,
have it appraised by two or three jewelers to
get an accurate idea of the diamonds value.
Tell the appraiser that you want the Rapaport
Value. This is the wholesale value of the
diamond, and it basically tells you the highest
price that you can sell your diamond for. If your
diamond has no certificate, you should
consider getting a certificate from GIA. This
may help you get a better price for the
diamond as well.

First, try to sell the diamond yourself, to
people you know. Friends and family
members may be interested. If you don’t have
any luck with friends or family members, you
should turn to outside sources. Absolutely
avoid pawn shops! A pawn shop will only offer
you about 10% of what the diamond is worth!
Also avoid offers of selling the ring on
consignment. There are many things that
can go wrong, and there is no shortage of
diamond scams – even in well known
jewelry stores.

If the diamond is important, you should
strongly consider auctioning it off through
one of the famous auction houses, such as
Christie’s or Sotheby’s. If it isn’t what is
considered an ‘important’ diamond or a
high-end diamond, you should try to sell it
to an individual using classified ads, or even
eBay. However, selling to an individual that
you do not know could put you in danger –
especially if the diamond is worth a lot of
money.

Your final option should be a jewelry store. It
is vital that you not let your diamond out of
your sight while in the jewelry store – you
might find that the diamond you walked in
with is not the same diamond that you walk
out with! The jeweler will try to tell you that
your diamond is of poor quality or low
weight. Inevitably, there will be some
problem with the diamond. This is where
your appraisal and/or certificate will come
in handy.

If the jeweler is fair, they will offer you
between 60% and 80% of the value of the
Rapaport Value. Do not accept anything less
than this. Again, do not let the diamond out of
your sight until you have been paid for it.

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How to Clean your Diamonds

Through our day to day movements our
diamonds get smudged and soiled.  Even
when we are not wearing them, they collect
dust.  Lotions, soaps, our natural skin oils,
can cause film and grime on diamonds
and inhibit their brilliance.

Want to keep that Brilliance and Shine?
Diamonds require cleaning so that maximum
amounts of light can refract fiery brilliance.
Remember that all it takes is a few minutes
and a little care to keep that diamond as fiery
as the day you first saw it.

You can use an small soft brush such as an
eyebrow or lip stick brush and soap and
water to clean your jewelry.  Simply make a
bowl of warm sudsy water with a mild
detergent and place your pieces in the
mixture.  Then brush the diamonds with the
soft bristles of the brush while they are in
the suds.  You will need to make certain that
you rinse them clear of the suds after
cleaning them.  You can use a small kitchen
strainer such as a tea strainer to contain
them while rinsing under warm water.  Use
a lint free cloth, or a jewelry polish cloth to
pat them dry.

If your diamonds are in need of a stronger
cleansing, you may want to soak them for 30
minutes in a solution of half and half water and
ammonia.  Once they have soaked for 30
minutes, remove them and gently brush the
mountings with a small brush.  Then replace
the pieces to the solution and swish them
around in the mixture before removing them
to rinse and pat dry.

If you find your self too busy to be mixing
soaps and ammonias, many department
stores sell liquid jewelry cleaners.  Most are
kits, with everything you need included.  You
need to read the labels to determine the one
that is right for your diamonds and other
jewelry. Read the complete directions and
follow all the precautions.

And if you find yourself more the
“high-tech type”, even in your diamond
cleaning routine, there are multiple ultrasonic
cleansers on the market.  These machines
use high-frequency to create a cleaning motion.
All machines are not the same, so please read
the instructions before using.

Only you can choose the cleaning method
right for you.   But, it is essential to keep
your jewelry clean to keep it brilliant and
sparkling.  Between cleaning, try not to touch
your clean diamonds with your fingers or
handle your jewelry by its edges. This will
help maintain its shine and brilliance for
longer periods.

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How to Care for Your Diamond

Caring for a diamond takes more than
occasional cleanings. Diamonds are forever,
but they can be damaged if you are not
careful. By learning how to properly care for
your diamond, you will ensure that your
diamond is indeed forever.

First, you should take your diamond jewelry
to a jeweler once a year. Have him check the
mountings and prongs that hold your
diamond in place. Have him make any
needed repairs. This will prevent your
diamond from falling out of its setting and
becoming lost.

Diamond jewelry that is not being worn, or
diamonds that are loose should be stored in
a fabric lined jewel case, or in a jewelry box
where it can be kept separate from other
jewelry. Each piece should have its own
compartment. This will keep diamonds from
becoming scratched, and it will also keep
your diamond from scratching other jewelry
as well.

Remove your diamond jewelry when doing
physical work. Diamonds can be chipped
and scratched easily. Also avoid allowing
your diamond to come into contact with
bleach or other household cleansers – this
can damage or change the color of the
settings and mountings, and it may even
irreversibly change the color of the
diamond!

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How to Buy Diamond Engagement Rings

There is much to consider when purchasing
a diamond – especially diamond
engagement rings! The tradition of
presenting a woman with a diamond
engagement ring when proposing began in
1477 when Archduke Maximilian presented
a diamond ring to Mary of Burgundy – and
in most cases, the woman you plan to
propose to will expect a ring to accompany
that proposal!

First, determine how much ring you can
afford. Most people use the ‘two months
salary’ rule. This means that the ring should
cost the equivalent of two months of your
current salary. Because you have other bills
to pay, saving up this amount of money may
take quite a bit of time. You should consider
financing. Simply go to the jeweler of your
choice and tell them that you plan to buy an
engagement ring, and that financing will be
necessary. Go ahead and get the credit
check out of the way, find out what your
payments will be, and how much of a down
payment is required.

Now, have your mother, sister, or your
girlfriends best friend take your girlfriend
shopping, and make sure that they gaze at
the engagement rings to get an idea of what
she might like. Make sure that the jewelry
store you buy the ring from will allow you to
return the ring, if that is required, or allow
your girlfriend to exchange it for another if
she isn’t happy with it!

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How Diamond Prices Are Determined

Pricing most products is quite easy.
Determine how much it costs to make the
item, how much it costs to market that item,
and then mark it up by 15 – 30% or more.
Simple, right? Well, pricing diamonds isn’t
quite that simple. There are many factors
that are considered when diamonds are
priced.

Diamond prices are determined first by
adding the cost of the rough diamond, the
cost of cutting the diamond, and all other
costs necessary to turn the rough diamond
into a marketable diamond. Depending on
the importance of the diamond, an
independent company may be called in to
certify the grade of the diamond based on
color, cut, clarity, and weight.

At this point, the diamond becomes more
expensive each time it changes hands, until
it finally reaches a retailer, where the price is
raised a bit more. Before reaching the
retailer, however, the diamond must travel
from the mine, to the cutter and polisher, to
the independent grading company, and
then to the Primary market. Once it has
reached the primary market, it will be
purchased by diamond dealers and
wholesalers, and from there it will be sold
to retailers.

As you can see, the earlier you can purchase
a diamond in the process, the lower the cost
of the diamond will be – but not the value.
The value is based on what the diamond will
sell for in the market place – through a retailer.

If you own a diamond, and you have no idea
how much it is worth, you can have it
appraised, but the appraisal may not be
accurate. You will be better off obtaining a
certificate through GIA – Gemological Institute
of America. With the information on this
certificate, you can use a cutter’s guide to
accurately determine what your diamond is
worth.

There are also many diamond price
calculators available. These can be found
on the Internet, and many diamond dealers
use these as well. You must realize, however,
that before you can accurately price a
diamond, without a Diamond Grade Report,
you need to know quite a bit about diamonds,
such as different cuts, clarity, color, and weight
– and how each of those aspects adds to the
value of a diamond, or decreases the value of
the diamond as the case may be.

Again, you will be better off if you get a
Diamond Grading Report on the diamond,
and use that information to look up the price
in one of the guides that the diamond cutting
industry uses. This will give you the most
accurate value of the diamond in your
possession, or of the diamond you are
considering purchasing.

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How Diamonds Are Mined

We seldom think about how the diamonds
we wear came to us. Natural diamonds, as
opposed to synthetic diamonds or fake
diamonds, are mined from the earth. There
are currently two methods of mining
diamonds: Pipe Mining and Alluvial Mining.

When pipe mining is used, the diamonds
are extracted from the earth through volcanic
pipes. These are not man-made pipes. These
are natural pipes in the ground. Shanks are
put into the ground next to the pipes, and
tunnels are driven into the deepest parts of
the pipe. The diamonds are not sorted out at
the mine. Instead, huge rocks that are full of
diamonds are brought out of the mine and
moved to a screening plant for separation.

The Alluvial mining method is done in
riverbeds and on beaches. Walls are built to
hold back the water and the sand on the bank
or beach is moved with a bulldozer until the
level of earth that diamonds can be found in
is reached. Again, the diamonds are not
sorted here. Instead, the sand that contains
the diamonds is bulldozed into trucks, and
taken to screening plants.

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How Diamonds Are Cut

In their most natural form, diamonds are –
well – quite ugly. They have no luster or shine,
 and in fact, look like nothing more than
broken glass. A diamond must be cut, and
then polished before it actually becomes a
thing of beauty.

Diamonds are cut with saws, into round
shapes. From the rounded shape, other
shapes may be cut, such as heart shapes
– but the shape is less important than the
quality of the cutting that is being done. If
the diamond is poorly cut, it will lose light,
and it will not sparkle and shine very well.
Each facet of the diamond must be
carefully cut into the geometrical shapes
that allow the diamond to sparkle and
shine, then the entire diamond is cut into
a specific shape, such as an emerald cut
or a princess cut diamond.

Once the cut is done, the diamond is put into
a dop, which resembles a cup with another
diamond – only a diamond is strong enough
to smooth the edges of another diamond.
Once the diamond has been cut and shaped,
and had the edges smoothed in the dop, it is
polished on a scaif or a diamond polishing
wheel.

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Famous Diamonds

Among the most well known diamonds is the
Hope.   This 45.52 carat steel blue diamond
is currently on display at the Smithsonian.
The legends of the ill-fortune and curse
bestowed on the possessor of the Hope
Diamond are many.  This diamond was
donated to the Smithsonian in 1958. The
Hope was originally a rather flat, blocky
110-carat rough.

The Dresden Green stands out among the
natural colored diamonds. It is the largest
green diamond in the world weighing
40.70 carats. This diamond is historic, large
and has a natural green color with a slight
blue overtone.  These facts make it virtually
priceless.

The Conde Pink is a pear shaped and
weighs 9.01-carats.  This pink diamond was
once owned by Louis XIII.

The Tiffany Yellow diamond a beautiful
canary-yellow octahedron weighing 287.42
in the rough (metric) carats discovered in
either 1877 or 1878 in South Africa.  The
gem after cutting boasts the extraordinary
weight of 128.54 carats. And until recently,
was the largest golden-yellow in the world.

The Koh-I-Noor  ( Mountain of Light )  is now
among the British Crown Jewels.  This
diamond weighs 105.60 carats.  First
mentioned in 1304, it is believed to have
been once set in Shah Jehan‘s famous
peacock throne as one of the peacocks eyes.

The Agra is graded as a naturally colored
Fancy Light Pink and weighs 32.34 carats.
It was sold for about 6.9 million in 1990.
Since this sale, it has been modified to a
cushion shape weighing about 28.15 carats.

The Transvaal Blue is pear cut.  This blue
diamond weighs 25 carats. It was found in
the Premier Diamond Mine in Transvaal,
South Africa.

The Great Chrysanthemum was discovered
in the summer of 1963, in a South African
diamond field.  This 198.28-carat fancy
brown diamond appeared to be a light
honey color in its rough state.  However,
after cutting, it proved to be a rich golden
brown, with overtones of sienna and burnt
orange.

The Taylor-Burton Diamond is a pear-shaped
69.42 carat diamond.  Cartier of New York
purchased this diamond at an auction in
1969 and christened it "Cartier." The next
day Richard Burton bought the diamond
for Elizabeth Taylor. He renamed it the
"Taylor-Burton”.   In 1978, Elizabeth
Taylor put the diamond up for sale.
Prospective buyers had to pay $2,500
each to view the diamond to cover the costs
of showing it.  Finally, in June of 1979, the
diamond was sold for nearly $3 million dollars.

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Diamond Scams

When it comes to diamonds, there are
numerous scams to avoid. Most scams are
minor, but there are some major ones that
come up from time to time concerning the
buying and selling of diamonds. Scams
occur simply because most people who buy
diamonds – for whatever reasons – don’t
know that much about diamonds. Therefore,
they are easily fooled.

A common scam that most jewelry stores
participate in is the Carat Total Weight scam.
The tag on the piece of jewelry, usually a ring,
only states the total carat weight of all
diamonds in the piece, instead of listing the
total weights separately for each diamond.
This leads consumers to believe that the main
diamond in the piece is actually bigger than it
is. Ask what the total carat weight of the center
stone is. Also beware of fractions. Jewelry
stores are allowed to round off diamond
weights. This means that if the jeweler tells
you that it is a ¾ carat diamond, it is
probably between ½ and ¾ carat – but
closer to ¾.

Jewelry stores often run ‘fluorescence’
scams to varying degrees. Referring to a
diamond as a blue-white diamond is such a
scam. A blue-white diamond sounds very
unique and special, but in fact, this type of
diamond is of lesser quality – even though
the jeweler will try to make you think you are
getting something special. Jewelry stores
also like to show their diamonds in bright
lights. Lights make diamonds shine. Ask
to see the diamond in a different, darker
type of lighting as well.

Some truly unscrupulous jewelers target
those who want appraisals on diamonds
that were given to them as gifts or that were
purchased elsewhere. They will try to tell you
that the diamond is worthless, or worth less
than it actually is worth – and offer to take it
off your hands or trade it for a much better
diamond, along with the cash to make up
the difference. This is called low balling.
Get a second, third, and even a forth opinion
before taking any action.

Another common dirty trick is to switch the
diamond you have chosen and paid for with
one of lesser quality and value when you
leave it to be set in a piece of jewelry, or
leave a diamond ring to be sized. The only
way to avoid this is to do business with one
trustworthy jeweler. Avoid jewelers that you
have not done business with in the past.

There are many more scams that jewelry
stores commonly pull on unsuspecting
consumers. Just use your best judgment,
and purchase your diamonds with the
utmost care and consideration.

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Diamond Grading Reports

You’ve been told that having a certificate or
a diamond grading report is important, and
as a responsible consumer, you get one –
unfortunately, you probably won’t understand
a word of what is on that diamond grading
report, unless you are a jeweler.

On the color grading scale, D, E, and F
mean that the diamond has no color. G, H,
and I means that it has very little color. J, K,
and L means that the diamond has a slight
yellow color. P, Q, R, S, T, U, V, W, and X
means that the diamond is a darker shade
of yellow. Z means that the diamond has a
 fancy color – other than white or yellow.
On the color grading scale, D is the most
valuable, and X is the least valuable –
however diamonds that get a Z rating are
 the rarest and most expensive diamonds
in the world.

There are many aspects to a grading report.
Figuring it all out can be very confusing. You
should talk to a jeweler you trust, and have
them explain everything on the diamond
grading report to you.

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Diamond Certificates

A diamond certificate is also known as a
Diamond Grading Report. This report comes
from the Gemological Institute of America
(GIA), and you should require this report
when you are purchasing a diamond.

With a diamond certificate, you can verify
the color, cut, carat, weight, and clarity of the
diamond. You don’t have to worry about a
diamond dealer telling you anything less than
the truth, because the certificate comes
from the GIA – not the dealer. You may be
required to pay for the certificate, but the
cost is usually low, and in many cases, it
will help you negotiate a better price on the
diamond – or keep you from purchasing a
lower quality diamond altogether.

If you buy a high quality diamond, and then
later decide to sell the diamond, you will
need to have the certificate, or you will have
a hard time selling it to someone else.
Furthermore, you can use the Diamond
Grading Report to look up the wholesale
value of the diamond in question. Use the
guide that is used by the diamond cutting
industry.

With the Certificate, or Diamond Grading
Report, there won’t be any doubts when you
are trying to purchase a diamond. You can
easily find out what the diamond is worth.
This will prevent you from overpaying, and it
can prevent a seller from under-charging as
well.

A copy of the Diamond Grading Report
should be given to your insurance company
as well, when you insure the diamond. This
provides absolute, unquestionable proof of
the value of the diamond should it be stolen
in the future. Insurance companies cannot
argue with the report.

Avoid diamond dealers who seem reluctant
to provide a certificate! Also avoid sellers
who tell you that a certificate diamond will
cost you more – the only additional cost
should be the cost of the certificate, which
is low. If the dealer doesn’t want to provide
a certificate, then you don’t want to do
business with that dealer.

Don’t accept certificates from Gemological
Laboratories other than GIA. There are many
fly-by-night Gemological labs these days, but
in the end, GIA has been established as the
most respectable and trustworthy – not to
mention oldest – of the lot. So avoid dealers
who don’t want to use GIA for certification
purposes as well.

Don’t buy an expensive diamond without
paying the extra cost of the certificate. If a
dealer tries to convince you to make the
purchase without the certificate, or if they
want to use a company other than GIA, you
can be sure that the dealer has probably
greatly inflated the price of the diamond –
they have something that they are hiding
from you.

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Diamond Brands and What They Mean

Diamonds are one of the few products that
simply cannot be ‘branded.’ Even though
there are different cuts, different grades, and
different values placed on each and every
diamond in existence, no diamond is any
specific brand – just as gold is not a specific
brand.

Branding is actually based on who owns the
diamond. For instance, if DeBeers owns the
diamond, it is a DeBeers Diamond – but it is
still just a diamond. If the diamond was cut by
a specific well known cutter, then it might be
branded in that way as well – but it usually
isn’t. It is still branded based on who owns it
at the time. So basically, when it comes down
to it – diamond brands mean absolutely
nothing at all.

Do not allow a jeweler to try to talk you into
paying an exorbitant price on a diamond
because it is a specific brand. This is a bit
of trickery used by unscrupulous jewelers
when they know that they are dealing with
people who don’t know much about
diamonds. Remember that diamonds are
not actually branded – unless mother nature
has her own brand!

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Colored Diamonds

Fancy colored diamonds are all the rage
these days.  Gemologists have developed
new ways to create versions that are
affordable for the average person - by
treating less desirable diamonds. These
less desirable diamonds are treated with
irradiation followed by intense heat.  This
turns brown and yellowish diamonds into
beautifully colored diamonds that you can
afford.  This produces stunning greens,
blues, yellows, reds, purples and other
colors.  These colors are considered
permanent, but there is a possibility
they could change during repairs if a high
heat is used.

Treatments like irradiation make it possible
for more people to own these vividly colored
diamonds. Most natural colored diamonds
are rare and also extremely expensive. When
shopping for colored diamonds you need to
assume that any affordable fancy color
diamond has been treated.  Ask about the
stones origin and request to view a lab
certificate to verify authenticity.

Synthetic colored diamonds are another
option if owning a colored diamond is
something you desire but cannot quite afford.
They are real diamonds, but they are created
in a lab.

Natural fancy color diamonds get their
coloring from different trace elements present
in the stones, such as nitrogen, which
produces a yellow diamond.  Diamonds can
be colored by exposure to radiation during its
creation.  An example of a diamond affected
by radiation is a Green diamond.

Another way that a natural colored diamond
gets color is by its inclusions.  Regarded as
flaws and undesirable in a colorless diamond,
inclusions give unique tones and brilliant
flashes of color in a fancy color diamond.
Remember that Natural fancy colored
diamonds are very expensive, any colored
diamond labeled to be sold as natural should
be accompanied by a certificate from a
respected grading lab.

A "fancy" diamond is a natural diamond that
has color.  These colors vary from red, green,
purple, violet, orange, blue and pink – and
most shades between.  Fancy color shades
vary from faint to intense.

The most famous diamonds in the world are
Color diamonds.  The Tiffany Diamond,
which is yellow and the Hope Diamond which
is blue are colored diamonds.    Color
diamonds have an amazing financial track
record.  The value has never decreased on
wholesale level in more than 30 years.  Blue
and pink diamonds have doubled every 5
years of a strong economy.   In the 1970’s
you could have bought a very high quality
blue diamond for about 50K and today the
very same stone would be worth between
2 and 3 million.

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Choosing The Cut of A Diamond

There are many different cuts of diamonds
to choose from. The cut essentially refers to
the shape that the diamond is cut into –
unless you are in the diamond or jewelry
business, but this shape has a great impact
on the much the diamond sparkles.

The most popular cuts are heart, marquise,
oval, pear, princess, round, trillion, and
emerald cuts. The shape has an impact on
how much the diamond sparkles, but the
actual cutting itself – when the diamond
cutter actually cuts the diamond into a
particular shape – also matters a great
deal. If the diamond is poorly cut, it will lose
its sparkle.

However, in the diamond industry, the cut of
a diamond doesn’t refer to its shape at all.
Instead, this is a reference to the stone’s
depth, width, brilliance, durability, clarity, and
other aspects of the diamond. Common
cutting problems include a missing or off
center culet, misalignment, a diamond that
is too thick or too thin, cracks, or broken
culets.

When shopping for a diamond, you should
of course choose the shape that you like the
best, but then look at several different
diamonds of that shape to find the one with
the best cut – the one that sparkles the most,
in all types of lighting.

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Buying Diamonds Online

With all of the potential for scams concerning
diamonds, buying diamonds online almost
seems unthinkable! However, you actually
can purchase diamonds online, without any
problems – as long as you are careful.

First, think about your reasons for wanting to
purchase the diamond online, as opposed to
making a purchase from a local jewelry store.
The most common reason is price. Due to
low overhead costs, online jewelers and
wholesalers are able to offer lower prices.
However, you must be careful – sometimes
a price that is too low is a sure indication of
a scam.

One of the best things about purchasing
online is the unlimited selection. When
shopping offline, you are limited to the
selection in the stores in your general area.
Online, there are no limits. But again, you
must use a great deal of care and
consideration before handing your money
over to someone that you cannot see and
have never met!

Before shopping, learn as much as you can
about diamonds – especially cut, color,
clarity and carat weights. When you are
knowledgeable about diamonds, it will be
harder for a con artist to rip you off. Once
you know more about diamonds, you will be
ready to start shopping.

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Bonded Diamonds

Before you start shopping for diamonds,
consider dealing with a bonded jeweler.
Bonded jewelers sell bonded diamonds,
and there are very few bonded jewelers in
the world. In fact, out of all of the jeweler’s
in the world, only about 5% of them are
bonded. Buying a bonded diamond will
cost more than buying a non-bonded
diamond, but when you look at what you
get with the bonded option, you will see
that it is well worth the extra expense.

First, bonded diamonds have a buy back
policy for the life of the diamond. No matter
how long you have had the diamond, you can
take it back to the bonded jeweler and sell it
back to him or her, for a 100% refund. If a
jeweler does not offer a 100% buy back
guarantee, for the life of the diamond, then
you should take a closer look at the diamond
to see what is wrong with it.

Bonded diamonds also have a breakage
policy. If the stone breaks or chips, the
bonded jeweler will replace it with a new one
– one time. No jeweler would ever offer such
a policy on any stone that was not 100%
natural, so just the offer of such a policy
should give you piece of mind concerning
the quality of the diamond. Bonded
diamonds are natural and untreated.

Bonded diamonds increase in value, with a
fixed appreciation rate that is designed to
keep up with inflation. This means that a
diamond that is worth a certain amount of
money today will be worth more in the future,
as the price of diamonds continues to rise.
This generally does not apply to buy backs,
however. It typically applies to trade-ins.

Alternately, by purchasing a bonded
diamond, you are protected against the
possibility of a market crash. If a market
crash occurs, the value of diamonds will
drop. However, the bonded jeweler
guarantees to refund you the difference
between what the diamond is now worth
and what you paid for it before the market
crash.

It may be difficult to find a bonded jeweler in
your area, but if you can, this is who you
want to deal with, as opposed to dealing
with an un-bonded jeweler. Specifically tell
the jeweler that you are only interested in
bonded diamonds.  You can find a bonded
jeweler in your area by using various online
resources, or by calling the local jewelry
stores.

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Are Diamonds Really Rare?

When you walk into a jewelry store and see
all the diamonds in all of the various settings
that are for sale, it is difficult to realize that
diamonds are indeed rare. Most people
don’t even stop to consider how that
diamond came to be sitting in that jeweler’s
case! There is quite a bit of work that is done
before a diamond is ready to sell to the
general public!

For every one million diamonds that are
mined, only one will be found that is a quality
one caret diamond. In order to find a two
caret diamond, about five million diamonds
must be mined. More than two hundred tons
of ore must be mined to find one small
diamond, and even then, more than 80%
of the diamonds that are mined are only
good for industrial use, such as diamond
drill bits.

So, the next time you visit your local jewelry
store, ask to see the one carat diamonds.
You should look at this diamond with new
appreciation – knowing that it truly is one
in a million!

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All About the Clarity of Diamonds

Clarity is an important aspect of a diamond,
and it is important to know how to grade the
clarity of a diamond before you buy one. It is
actually quite easy to learn how to grade the
clarity of a diamond. There are basically two
things that you must understand: Diamonds
with visual inclusions and blemishes, and
those that are ‘eye clean’ meaning that there
are no inclusions or blemishes that can be
seen with the naked eye. From there, the
clarity of a diamond is further broken down
into subcategories.

Many people mistakenly think that diamond
clarity refers to how clear it is. This isn’t so.
Clarity actually refers to the internal and
external imperfections of the diamond. The
best diamonds, of course get a grade of FL
or IF – Flawless or Internally Flawless –
meaning that it is perfect. A grade of I-1, I-2
or I-3 means that the diamond is imperfect,
with a grade of I-3 being the worst.

Other grades are VVS1 and VVS2, which
means that the diamond is very, very slightly
imperfect; VS1 and VS2, meaning the
diamond is very slightly imperfect; SI-1 and
SI-2, which means that the diamond is
slightly imperfect.

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About Diamond Weights

Diamonds are measured in Carat Weight.
One carat weighs 200 milligrams. If a
diamond is referred to as four grains, this
also means that it is a one carat diamond.
The word Carat comes from the word carob.
A carob is a bean that grows on a tree in the
Mediterranean. In times past, if a diamond
weighed the same as a carob bean, it was
one carob, or one carat.

However, in the far east, where Carob trees
do not grow, rice was used to measure the
weight of a diamond. If a diamond weighed
as much as four grains of rice, it was four
grains – or one carat as we know it to be
now. The majority of diamond purchases
are for diamonds that are 1/3 of a carat.

Beware when shopping for diamonds that
are already set or mounted. If more than one
diamond is used in the piece, the tag on the
jewelry will give the CTW or Carat Total
Weight – it does not tell you the carat weight
of each stone in the piece. You need to ask
the jeweler for the total carat weight of the
largest diamond in the piece to truly
understand what you are buying.

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50 Other

The appeal of diamonds and other precious gems has endured for eons. They confer on the wearer a feeling of beauty, value, status. We are drawn to them and we all have our personal favorites. Sometimes it’s our birthstone. For others, a particular stone reflects a favorite color. There is almost a magical feeling when you are near them, the energy they create it is palpable.

While the clear diamond has been the traditional stone of choice for engagement and wedding bands, other stones are actually more valued and prized because of their rarity. The sapphire has often been the stone of choice for royal betrothal rings. When Princess Diana selected her 18-carat sapphire-and-diamond engagement ring, she selected one of the rarest stones on the earth.  When Jennifer Lopez was engaged to Ben Affleck, she sported a 6-carat pink diamond ring. Camilla Parker-Bowles chose an emerald ring when she became engaged to Prince Charles.

We’ve become even more fascinated with beautiful jewelry because of the popularity of celebrity venues like award shows. Often this jewelry is on loan to the celebrity. At one time, we could only look at pieces like that a sigh wistfully. But with the creation of cubic zirconia, a nearly identical chemical twin to the diamond, we can satisfy some of our more extravagant whims without breaking the bank! And there’s no reason to let on that maybe that fabulous new ring you’re wearing isn’t really diamonds. Let everyone think your boyfriend or husband got a financial windfall and spent it all on you!

But when you can afford the real thing, there’s really nothing like it, is there? Is there a prized piece in your collection? Do you wear it often, or only on special occasions? If you don’t wear your jewelry often, give yourself a lift and start bringing that special ring out on regular occasions. It can certainly brighten up a dreary Monday when you’re wearing something special!

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49 Garnet

Garnets have been known and used in jewelry for thousands of years. Legend says that Noah used a garnet lantern to safely steer his Ark through the darkness of the night and the great flood. Garnets are found in jewelry from ancient Egyptian, Greek and Roman eras. Many courageous discoverers and travelers wore garnets for protection, as they were considered popular talismans and protective stones, because it was believed in those days that garnets illuminate the night and prevent their wearer from any sort of evil. Today science explained to us that the proverbial luminosity of garnet is caused by its high refraction of light.
Although the color red is the one which occurs most frequently, there are also garnets showing different shades of green, pale to bright yellow, fiery orange and fine earth- and umbra-shades. Only blue is a color which is not available in garnet. Garnets are gemstones which are in high demand and are often worked into pieces of jewellery - especially since today not only the traditional gemstone colors red, blue and green are cherished by the consumer, but the intermediate shades and hues are also very popular. Garnets are unusual because their tone can change depending on whether they’re seen in natural or artificial light.
Some of the alternately-colored garnets are very famous. Spessartine garnets are a bright orange to orange-red. These are extremely rare. There is a type of garnet called a Mandarine garnet which is also orange. It too is rare.
There are even green garnets, even though one doesn’t associate this color with garnet. The star among green garnets is rare demantoid. It shows enormous brilliance, higher even than that of diamond. Russia’s leading court jeweler Carl Fabergé loved the brilliant green garnet from the Urals more than any other stone, and liked to use it in his creations.

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48 Rose Quartz

Who doesn’t love rose quartz in all its varying hues of pink? Rose quartz takes its name from the flower because of its translucent and delicate pink color caused by traces of iron, manganese or titanium. Rose quartz is usually very large - meaning that it doesn't form crystals. Rose quartz is found in Madagascar, India, Germany and several areas in the USA. Much rose quartz was extracted from a famous site near Custer, South Dakota, but now, most of the world's supply comes from Brazil. Rose quartz is one of the most valued varieties of quartz. The pink to rose red color is unique.

The color of rose quartz is still not completely understood. It has been said to be due to a number of different minor impurities present in the rose quartz including titanium, manganese and even colloidal gold. However, recent studies using micro-analytical methods have discovered that the color of massive rose quartz is actually due to microscopic mineral fibers in the rose quartz. X-ray diffraction tests on these microscopic fibers yielded patterns similar to the mineral dumortierite, suggesting the possibility of a totally new and as yet unknown fibrous mineral causing the color in massive rose quartz. The rare transparent crystals of rose quartz owe their coloration to aluminum and phosphorous impurities. Their pink color is photosensitive and can fade in sunlight.

Rose quartz is often called the 'love stone'. It is associated with forgiveness and compassion and can create a wonderful calming influence. It is soft and delicate inspiring feelings of love and friendship. Rose quartz is aid to help remove repressed anger and hatred and is said to remove negative influences such as jealousy and avarice. It is said to aid the spleen, kidneys and circulation system. Rose quartz also eases sexual and emotional imbalance and can also improve fertility. It makes a lovely gift as it is a symbol of love.

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47 Citrine

Citrine is any quartz crystal or cluster that is yellow or orange in color. Although, often cut as a gemstone, citrine is actually somewhat rare in nature. Citrine is one of the most affordable gemstones, thanks to the durability and availability of this golden quartz. Named from the French name for lemon,"citron," many citrines have a juicy lemon color, but like all gemstones, there is a range of colors that can be exhibited as citrine.

Citrine colors include yellow, gold to orange brown shades of transparent quartz. It’s a cheery-looking stone, and affordable and is popular as a gemstone for jewely. In ancient times, citrine was carried as a protection against snake venom and evil thoughts.

Although the darker, orange colors of citrine, sometimes called Madeira citrine after the color of the wine, has generally been the most valued color, in modern times, many people prefer the bright lemony shades which mix better with pastel colors. Citrine is generally more inexpensive than amethyst and is also available in a wide range of calibrated sizes and shapes, including very large sizes.

Sometimes you will hear citrine referred to as topaz quartz, which is incorrect. This name was used in the past in reference to the color, which is sometimes similar to the color of topaz. Since topaz is a separate mineral, this type of name can be confusing and should not be used. However, citrine is considered an alternative to topaz as the birthstone for November.

Since most citrine on the market started its life as amethyst which was heated to turn its color to gold, citrine jewelry, as well as amethyst jewelry, should be kept away from prolonged exposure to strong light or heat. With this precaution, citrine jewelry will last for many generations.

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46 Amethyst

Amethyst is a violet or purple variety of quartz often used as an ornament or jewelry. The name comes from the Greek A (not) and methuskein ("to intoxicate"), a reference to the belief that the stone protected its owner from drunkenness; the ancient Greeks and Romans wore amethyst and made drinking vessels of it in the belief that it would prevent intoxication.
Amethyst was used as a gemstone by the ancient Egyptians and was largely employed in antiquity for intaglios. Beads of amethyst are found in Anglo-Saxon graves in England.
Amethyst has been in use for thousands of years in magic, healing and psychic empowerment. Its violet color makes this one of the most sought after variety of quartz. It has a large number of qualities and uses that have been given it over the years and it is said to be a stone that radiates energy which has often been referred to as the purple ray.
It is referred to as a Spiritual Stone because its color violet is same as that of  the crown chakra. Amethysts also are believed to calm emotions and reduce stress. It’s an amulet for travelers, and helps whoever holds the stone to have a more optimistic outlook and perspective. Placing it under your pillow is supposed to help induce sleep and prophetic dreams. 
Some people use amethyst balls not so much for divination, but to channel knowledge and healing from the universe. It’s also used for healing in a variety of ways. If you merely hold it in your hand or keep it in your pocket, you can channel the healing powers of amethysts. Although a healing crystal doesn’t necessarily need to be amethyst, it’s one that’s often used for spiritual as well as physical healing.

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45 Quartz 2

In ancient Egypt, glazed quartz served as a substitute when no high quality examples of Turquoise could be found. The Greeks had originally named quartz, krystallos, the word for ice, but this soon came to mean any crystal. In China’s Ming Dynasty, quartz often showed up as stone in jewelry work. In Pre-Columbian America, explorations of Mixtec graves have uncovered quartz use for ear jewelry. In European history, Queen Elizabeth I’s court spiritualist’s crystal ball was Smoky Quartz, which is also the national gem of Scotland, whose national scepter included a large Smoky Quartz on its top. In modern times, it was the first crystal used in radio transmission and reception and was essential in the development of computers.
Clear quartz is of the traditional healing stones believed to draw out pain and amplify healing energy. Crystal Healers use clear quartz in rituals meant to treat convulsions, diarrhea, dizziness, exposure to radiation, general pain, hemorrhages, headaches, hypochondria and kidney diseases.
Rose quartz is used for treating cardiovascular health, fertility, headaches, kidney disease, migraines and sexual dysfunction, as well as those disorders occurring in the throat, ears, nose and sinuses.
Rose quartz is the essential stone for increasing love and for times of extreme emotional turmoil, such as divorce, bereavement or career set backs because it helps to remind the wearer of the importance of self-love. It stimulates the body’s love centers and can result in peace and fidelity in committed relationships. As one of the most important crystals for attracting love it does emotional maintenance clearing out emotional baggage, converting negative emotions, and calms hot tempers, all of which prepare us for love. The stone is also recommended for improving mental discipline and making one more responsible, and for meditation and mental tranquility.

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44 Quartz

While quartz is the most plentiful mineral on earth, it also provides endless fascination and beauty for experts and casual observers alike. It is found in nearly every geological environment and is at least a component of almost every rock type. It is also the most varied in terms of varieties, colors and forms. This variety comes about because of the abundance and widespread distribution of quartz. A collector could easily have hundreds of quartz specimens and not have two that are the same due to the many broad categories.

Quartz is usually clear, but in granite it is also cloudy white or grayish in color. It can also be dark (as in smoky quartz). Many gemstones are actually less common colored varieties of quartz. Examples include purple amethyst, yellow citrine, and pink rose quartz. Because quartz is so resistant to weathering due to its chemical composition and atomic bonds, it accumulates as the other minerals in a rock erode. Light colored beach, Aeolian and alluvial sand is composed of mainly quartz grains.
The use of Crystals for crystal healing or gem healing, has been linked to mental, physical, spiritual health, charkas’ energy, whose Healing Power followers of the New Age, Psychic Healing and Atlantis and Crystal Healers have long revered for relieving pain, stress, depression, anxiety in the mind, body and spirit. Spiritual Healers believe this approach to alternative medicine is essential for ensuring health.
For Spiritual Healers, no stone is as essential to their craft as quartz. Embodying all the qualities they seek, it is the quintessential healing crystal. Part of this faith they place in Quartz comes from its scientific properties that make it useful in electronic devices. From this one truth, Crystal Healers make huge leaps in logic. They believe that its crystal formation can align the harmonies within the human body, that they can “program” the crystal easily, that acupuncture needles coated with quartz are more effective, and that it has the ability to receive and send energy.

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43 National gem collection

The Smithsonian Institution in Washington, DC is home to so much that’s rare and wonderful on the planet. One of the more spectacular collections is the collection of gems in the Museum of Natural History. There you can see wonderful crystals and minerals in their natural form, as well as some of the most incredible pieces of jewelry every created. There are crowns worn by royalty, enormous diamond earrings worn by the doomed French queen Marie-Antoinette.
They’re all stunning and awe-inspiring, but nothing is more mysterious than the rare earth-green of the emerald. The Smithsonian is home to the most fabulous emeralds ever known, and we’re incredibly fortunate to have them in this country.
One such emerald is the Hooker Emerald which legend has it was once part of the belt buckle of a Turkish sultan. Another brilliant example of emerald jewelry, combined with diamonds is the Spanish Inquisition necklace. It’s a spectacular double row of diamond shapes, ending in a pendant of a chandelier shape with emeralds.

There is also a magnificent 37.8-carat emerald called the Chalk Emerald, that is set with diamonds and was found in the mines of Columbia. The Mackay Emerald Necklace is also set with diamonds and is a brilliant example of how a stone like an emerald, which often contains flaws or inclusions, is still a beautiful piece of gemstone jewelry.

The collection at the Smithsonian is not to be missed, not only for the incredible selection of emeralds it contains, but because it’s a chance to be as close to some of the world’s most fabulous gemstone necklace as most of us can ever be! We may never own anything like this, but we can dream, can’t

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42 Gachala emerald

Emerald, the birthstone for May, is one of the world's most valued gems. Mined by the Egyptians more than 3,500 years ago for the Pharaohs, this precious green stone also has been worshipped by the ancient Incas and Aztecs, the Indian Maharajas and Maharanis, and kings, queens and other royals all over the world throughout history.

The stone is prized for its shades of green, which represent the color of life and the eternally returning spring. For this reason, emerald has held a special religious position in many cultures.
The Gachala Emerald, an uncut 5-cm stone weight 858 carats, was found in Colombia in 1967. It was given to the Smithsonian Institute in Washington, D.C., by famous New York jeweler Harry Winston.
Another huge, rare emerald is the Sacred Emerald Buddha. It resides on the grounds of the Grand Palace in Bangkok, Thailand. This venerable image was, according to historic legend, accidentally uncovered after a lightning strike on a Chedi in Northern Thailand’s Chiang Rai district in AD 1434. The temple’s resident abbot discovered stucco flaking off the image exposing a hidden green colored Buddha statute. The remaining stucco was duly removed reveling what the world now refers to as the “Emerald Buddha.”
The Mogul Emerald is one of the largest emeralds in the world. The rectangular cut tablet, which dates back to 1695, weighs 217.80 carats and is about 10 cm high. One side is inscribed with Islamic prayers and the other is engraved with opulent flower ornaments. The emerald is thought to have come from the reign of Emperor Aurangzeb --the last of the great Mogul rulers, who controlled much of India. It was discovered in Colombia by the Spanish conquistadors and most likely arrived in India through trade during the Mogul dynasty, according to experts. The emerald was auctioned off at Christie's of London for $2.2 million to an anonymous buyer in 2001.

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41 Emerald

Emerald has one of the longest histories of all gemstones. The first known emerald mines were in southern Egypt and were operated from before 1000 BC into the 1700's. This is a testament to the high value people have placed on emeralds for many centuries as the work was hard and dangerous and the stones small and poor by today's standards. Treasured for at least 4,000 years by different cultures all around the world, emerald is said to quicken the intelligence as well as the heart. Legend gives its owner the gift of eloquence.
In contrast to other beryl gemstones, emerald is typically heavily flawed with cracks and inclusions of fluid and minerals. These inclusions are called "jardin" (or garden) as they typically resemble leaves and branches. These characteristics are not looked upon as negative aspects for emerald as they would be for other gemstones. Indeed, these inclusions are considered part of the character of the stone and are used to assure the purchaser that the stone is genuine. Because emeralds are so rare without inclusions, some inclusions are expected and do not detract from the value of the stone as much as with other gemstones. Most emeralds on the market today have been treated with various types of oil or resin to improve their appearance.
Emeralds are cut in Jaipur, India and Tel-Aviv, Israel as well as in the mining countries, such as Brazil. Emerald is one of the most difficult gemstones to cut because of the high value of the rough stone and the many inclusions found in crystals. Small changes in orientation can make a large difference in the final appearance of the gem. Skilled craftsman who specialize in cutting emerald can be found in cities around the world for jewelers who insist on having stones perfected for the optimum brilliance and vibrancy.

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40 Beryl colors

As much as we love diamonds, we’re also in love with colored stones and gems like aquamarines and morganite, which can range from peach to lavender in color, are becoming more and more prevalent in gemstone jewelry.

Beryl is the mineral from which emeralds are created. But beryl comes in a variety of colors, making it a versatile gem. Morganite is probably the most popular of the other beryls. It has a pastel pink to peach or lavender which is similar in intensity to the blue of aquamarine. Morganite has been marketed as "Pink Emerald" and "Pink Aquamarine" to emphasize the kinship to its popular cousins. It was first discovered in California. It was also discovered in 1908 in Madagascar. There are also deposits in Brazil, Mozambique, Namibia, Afghanistan, and Russia. However, morganite is relatively rare, which stands in the way of it becoming a jewelry stone.

Heliodor, or golden beryl, is named after the Greek words for sun - helios - and gift - doron. The sunny yellow color of this beryl lives up to its name. Heliodor was discovered in Namibia in 1910 in a pegmatite that also produced aquamarine, which is also colored by iron. Heliodor is also found in Brazil and Madagascar. The largest faceted heliodor, 2,054 carats, is on display at the Smithsonian Institution in Washington D.C.

Red beryl is the rarest member of the beryl family. It is mined in only one place: the Wah Wah Mountains in Utah. The color is stoplight red. Unfortunately this deposit produces only a small quantity of this gem. Most of the gems produced are under a carat in size, and many have inclusions. Specimens that are over a carat and clean are fantastically rare and are priced as such.

Colorless beryl, which is also known as goshenite, is also relatively rare. It is named after a deposit where it was found in Goshen, Massachusetts. The Greeks used colorless beryl as lenses; the first spectacles were probably beryl.

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39 Beryl

The beryl is the family of crystal that creates emeralds and aquamarines, when its color is green or blue-green, respectively. Red beryl is bixbite or red emerald or scarlet emerald, pink beryl is morganite, white beryl is goshenite, and a clear bright yellow beryl is called golden beryl. Other shades such as yellow-green for heliodor and honey yellow are common. It can also come in violet.

The earliest known source of emerald was near the Red Sea in Egypt, the so-called Cleopatra's emerald mines. They were probably worked from about 2000 B.C., apparently the location of them was lost in the middle ages, and not rediscovered until 1818. Most emeralds used in ancient jewelry are believed to have come from these mines. They are not worked nowadays because of the low quality of crystals found.
Emeralds have been found in Austria since Roman times; these are no longer commercially mined.

Columbia is generally recognized as the source of the world's finest quality emeralds, both in the past and the present. The Columbian Indians were using them before 1537, when Quesada conquered Columbia.  Russia has been another important source of emeralds in the past. Emeralds were discovered in Australia in 1890 in New South Wales. Emeralds were discovered between1927 and 1929 in South Africa, followed by other sources. Another important source of superb quality emeralds, usually only of small size, is in Zimbabwe formerly Southern Rhodesia. These were discovered only in 1956. Emeralds were known in India from antiquity, but their source is not certain. The quality of Indian emeralds is very variable, but most are polished as beads. Other sources of emerald include Norway, North Carolina, Connecticut, Maine, New Hampshire, although none of these are very important. But if you’re vacationing in any of those states, we best you’ll keep your eyes peeled for any stray beryls!

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38 Sri Lanka

One of the world’s most beautiful and exotic islands, Sri Lanka, (formerly Ceylon) lies just below the southern tip of India. This pear-shaped bit of tropical paradise, about the size of Sicily, is a tourist’s delight offering British teahouses, rubber plantations, and gem mines. 
Marco Polo wrote of his visit in 1292: “I want you to understand that the island of Ceylon is, for its size, the finest island in the world, and from its streams comes rubies, sapphires, topazes, amethyst and garnet.” Little has changed since Marco Polo’s time except that Sri Lanka faces overpopulation and a faltering economy.   
Its gemstones, however, seem to occur in endless supply. Known as the “Jewel Box of the Indian Ocean,” Sri Lanka, like possibly no other locality on earth, has yielded precious stones and fine gems in a great profusion of gem species and varieties. The island was known in the ancient world as Taprobane (copper colored in Greek). Native Veddahs, bathing in smooth flowing streams, noticed colored pebbles scattered in sandy bottoms. It was not until 500 B.C. that conquering Buddhists from northern India also discovered gems in the rivers and began to set rough stones into crude jewelry. They bartered stones with traders from abroad and eventually the treasures found their way to the marketplaces of Asia and Europe. Ancient Greek and Chinese historians referred to the beautiful gems of Ceylon, and King Solomon reportedly wooed the Queen of Sheba with Ceylonese precious stones.

The crown jewels of royalty all over the world contain extraordinary spinels, sapphires, and zircons mined from Sri Lanka streams. The Imperial Treasury of the Soviet Union houses a 400-carat red spinel of great beauty which was once given to Catherine the Great. The British Imperial Crown features a giant oval-cut spinel (previously supposed to be a ruby), known as the “Black Prince.” Crowns in the Green Vaults of Dresden are covered with sapphires from Sri Lanka.

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37 Hindu lore rubies

Rubies are a type of corundum, a rare mineral made up of densely packed aluminum and oxygen atoms, which are normally colorless. When other atoms are substituted for a few of the aluminum ones, bright hues emerge. Small amounts of chromium impart the deep red color of ruby, traces of titanium and iron produce the stunning blue of sapphire, and chromium and ferric iron create the delicate orange shades of the extremely rare and costly padparadscha.

Rubies with their fiery hearts have inspired passion and legends throughout history. Rubies are even more rare than was once believed. Since chemical testing has become more common, it's been discovered that many of the world's most famous rubies are not rubies at all, but either garnet or spinel. While still beautiful, they don't possess the hardness nor the rich depth of color found in true rubies.
The color of rubies has given rise to numerous legends, associating the gemstone with courage, power, devotion, passion and love. In Hindu lore, rubies were believed to be the crystallized blood of the demon, Vala, whose body seeded all the mines of the world. When his body was divided, his blood fell over Sri Lanka and Burma, creating the rubies that can be mined from the ground. The sparkle and luminescence of rubies is said to be created by an inextinguishable fire in the heart of the stone. The fire is linked to the life of the person who wears it or owns it, and as long as the ruby burns bright, it is said, the person will enjoy good fortune and good health. So clear is this connection, according to some legends, that a ruby will darken in color if its wearer's life is in danger. In healing, rubies are the gem of choice to cure diseases of the blood and the heart.

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36 Ruby and Sapphire

It’s hard to imagine that a mineral with a name as mundane as corundum yields gems as exquisite as the ruby and sapphire, or even that these two stones, so different in color and mystique, are actually the same mineral family.

Lucky you if your birthstone is sapphire (September) or ruby (July). These are among the richest-colored of all gemstones with a romance and history as colorful as they are. Rubies are actually rarer than sapphires, and only red corundums are called rubies. Any other color is a sapphire. When grading colored stones, the density and hue of the color are part of the evaluation, and it’s the richest, deepest colors that are the most prized. In rubies, the most prized variant of color is called pigeon’s blood. Large gem quality rubies can be more valuable than comparably sized diamonds and are certainly rarer. There is a relative abundance of smaller, (1-3 carat,) blue sapphires compared to the scarcity of even small gem quality rubies, making even these smaller stones relatively high in value.

Stones of Burmese origin generally command the highest prices. The vast majority of rubies are "native cut" in the country of origin. High value ruby rough is tightly controlled and rarely makes its way to custom cutters. Occasionally, such native stones are recut to custom proportions, albeit at a loss of weight and diameter. Custom cut and recut stones are usually more per carat.

Sapphires exist in all the shades of blue from the deep blue of evening skies to the bright and deep blue of a clear and beautiful summer sky.  Sapphires also come in many other colors, not only in the transparent grayish misty blue of far horizons, but also displaying the bright fireworks of sunset colors – yellow, pink, orange and purple. So sapphires are really and truly heavenly stones, although they are being found in the hard soil of our so-called "blue planet”.

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35 Corundum

Corundum is the form of mineral from which sapphires and rubies are derived. The mineral is naturally clear, but can have different colors when impurities are present. Transparent corundums are used as gems, and if they’re red, then they’re rubies, while all other colors are called sapphire. The word corundum comes from the Tamil kurundam Due to corundum's hardness (typically 9.0) it is commonly used as an abrasive in machining, from huge machines to sandpaper. Emery is an impure and less abrasive variety, with a Mohs hardness of 8.0. You’ve probably used corundum hundreds of times when you’ve filed your nails with an emery board!

Corundum is actually the second hardest substance on the earth, after the diamond, and as such has many industrial uses. Corundum is crushed, ground and screened to varying grain sizes. The grains are utilized in the manufacture of grinding wheels for flour and rice mills, and workshops. Grinding wheels are manufactured either by a mixture of corundum, clay and feldspar or by using sodium silicate as a bonding agent. Finer grains are utilized for the preparation of grinding-pastes for the automobile industry. Corundum paper and cloth finished to belts, discs, rolls, sheets and other shapes are prepared by giving a suitable coating generally of sodium silicate.

Due to its hardness corundum also finds use in mortars, wire drawing dies, thread guides and gauge blocks. Gem varieties are sometimes used for pivot supporters in delicate scientific instruments, as jewel bearing in watches.

Corundum in small quantities is used in the manufacture of special sparking plugs, mufflers, pyrometer tubes, rods and insulators for vacuum tubes of all kinds. Finely ground corundum, passing through 200 mesh, is used for the manufacture of the above products by giving them a bond of clay.

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34 Heat conduction

Except for most blue diamonds, which are semiconductors, diamonds are good electrical insulators, meaning they reduce the flow of electricity.  Blue diamonds owe their semi-conductive property to boron impurities, which act as a doping agent and cause p-type semiconductor behavior. Diamonds appear cold and hard, but they’re good conductors of heat because of the strong chemical bonds within the crystal.

Most natural blue diamonds contain boron atoms which replace carbon atoms in the crystal matrix, and also have high thermal conductivity. Heat is a property contained in most materials, and has the tendency to flow to areas of lesser heat. A substance that is a thermal insulator reduced the flow of heat.

Diamonds are actually excellent conductors of heat, better than more well-known heat conductors like copper or silver. Diamonds will warm-up. It’s as if when we talk about a diamond’s “fire,” it can refer to it figuratively as well as literally!

As much as we associate diamonds for their beauty and use as jewelry, only about 20% of all diamonds mined are gem-quality. The rest are good only for industrial uses. Because it’s the hardest substance, it’s used to cut other materials such as stone, metal and concrete. It’s also used to grind eyeglasses and computer chips.

Most industrial diamonds are mined, but scientists have successfully engineered synthetic industrial diamonds that have more versatile uses than mined diamonds. Now major companies like GE and even DeBeers make synthetic diamonds. The primary use for these synthetic industrial diamonds is to conduct heat away from devices that require a constant temperature for safe and proper operation.

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33 Industrial vs gem quality diamonds

Diamonds are the hardest known naturally occurring material Its hardness has been known since ancient times, and is the source of its name. However, there have been synthetic diamonds created which are even harder.
The hardest natural diamonds in the world are diamonds from the New England area in New South Wales, Australia. These diamonds are generally small, and are used to polish other diamonds.
Industrial use of diamonds has historically been associated with their hardness; this property makes diamond the ideal material for cutting and grinding tools. It is one of the most known and most useful of more than 3,000 known minerals. As the hardest known naturally occurring material, diamond can be used to polish, cut, or wear away any material, including other diamonds. Common industrial adaptations of this ability include diamond-tipped drill bits and saws, or use of diamond powder as an abrasive. Other specialized applications also exist or are being developed, including use as semiconductors: some blue diamonds are natural semiconductors, in contrast to most other diamonds, which are excellent electrical insulators. Industrial-grade diamonds are either unsuitable for use as gems or synthetically produced, which lowers their price and makes their use economically feasible. Industrial applications, especially as drill bits and engraving tools, also date to ancient times.
The hardness of diamonds also contributes to its suitability as a gemstone. Because it can only be scratched by other diamonds, it maintains its polish extremely well, keeping its luster over long periods of time. Unlike many other gems, it is well-suited to daily wear because of its resistance to scratching—perhaps contributing to its popularity as the preferred gem in an engagement ring or wedding ring, which are often worn every day.

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