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Encyclopaedia of stones

Diamond

The diamond takes its name from the Greek word adamas, which means "the hardest" or "invincible". Diamond is, indeed, the hardest material that is. The only thing that can scratch a diamond is another diamond. He is the jewellery master stone, one that crystallizes all desires and sometimes critics. Symbol of eternal love, it remains the stone of predilection of the lovers.
He is accused of ethical failings during his extraction. Since 2003, the Kimberley Process Certification Scheme has sought to address this by preventing diamonds from conflict-affected countries from entering the market. Many countries have adopted it.
Our creators all adhere to the Kimberley process and are also looking to use vintage diamonds whenever possible.
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Colors
Mostly known as colorless but also yellow, orange, cognac, champagne, grey, black. Natural pink, blue and green ones are the most valuable.

Family
Allotrope of carbon

Origin

The main diamond deposits are located in African countries in the southern hemisphere, as well as in Brazil, Russia, China, India and Canada. Australia, Botswana, Russia, Congo and South Africa contain the largest mined mines today.

Virtues

Diamonds are reputed to endow the wearer with purity, love and joy. The diamond is traditionally the emblem of fearlessness, and a world known symbol of true love.

Specifications

The diamond is made of pure carbon, its hardness is ten, the maximum index on the Mohs scale, which means that it is scratchable only by another diamond. This does not prevent it from being brittle. Diamond is formed in volcanic magma, when the carbon is subjected to very high pressures and heat greater than 5000 degrees.
The value of a diamond is essentially based on four criteria:
- The colour: from white to pale yellow, is evaluated by a letter from D to Z. The D, like "diamond" indicates a perfectly colorless gem. It is better to choose a stone classified between D and I.
- Purity: the highest purity corresponds to the absence of discernible irregularity in magnification x10. Any impurities present in a diamond can take the form of tiny inclusions or microscopic fluff. A classification is established with the letters FL (absence of irregularity with the microscope x10), IF, VVS1, VVS2, VS1, VS2, SI1, SI2, SI3, P1, P2, P3 (numerous inclusions visible with the naked eye and affecting brilliance).
- Weight (Carats): one carat is worth 0.2 grams. The carats used for gemstones have nothing to do with those related to metal alloys. A carat can be divided into 100 points, so we can talk about a 20-point diamond equivalent to 0.20 carat.
- Cut (Cut): it obeys very precise rules to reveal all the brilliance of the gem. The flat upper part is called the table, the other small surfaces are the facets and their angles are calculated in a scientific way to play the most beautiful way with the light (reflection and dispersion).

History

Everyone knows what diamonds are, but most might not realize what they once were, as they formed billions of years ago: chunks of dark carbon similar to charcoal, roasting and rumbling around deep within the earth, or even in a volcano's red-hot magma. Fortunately, through eruptions and other harsh works of Mother Nature, the diamonds eventually found their way to the surface for man to find, cut, polish, and enjoy!
One of Earth's most highly prized treasures, the diamond has an extensive history that dates back thousands of years. They are believed to have first appeared in India 4000 - 6000 years ago.
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