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Dating as far back as the early 4th century BC in India there is evidence of diamond trading, and many other ancient cultures used diamonds within pieces of armor to give the wearer courage, strength and protection from danger when going into battle. In the Middle Ages diamonds were even believed to have healing properties for various physical and mental illnesses. Since the mind 1930s diamonds have become synonymous with love being given as tokens within engagement rings, wedding rings, eternity rings and other pieces of keepsake jewelry.
Diamonds are the only gemstone composed of nearly 100% carbon atoms, making them the hardest most durable substance known to man. In fact diamonds are so hard that only another diamond can scratch the surface.
Perhaps the attraction and fascination with diamonds comes from the unique properties of this natural entity. Diamonds are formed within the Earths core approximately 90 to 130 miles below the surface from carbon deposits which are subjected to high pressures of over 45kbar and temperatures of 900 – 1300 degrees Celsius. The majority of diamonds take millions, or even billions, of years to form as the conditions of temperature and pressure need to be perfectly combined to ensure growth of the diamond. They are brought to the Earth’s surface through volcanic activity.
The first large scale diamond mine was The Kimberley Mine in South Africa founded in 1888 by the world renowned De Beers. Today the top diamond producers are Russia, followed by Botswana, Canada, Angola, and South Africa.
There is no such entity as a ‘perfect’ diamond. Almost all will exhibit small impurities referred to as ‘inclusions’. These are caused during formation of the diamond by imperfections in the crystal structure and mineral impurities which become trapped inside the stone. They are not however always visible to the naked eye.
Diamonds are graded for clarity which defines how many inclusions a diamond possesses. If inclusions are apparent to the naked eye then the diamond will have a very low clarity grading. The location and size of any inclusions is a significant factor in grading and will determine the value of a diamond. The grading scale begins at Flawless / Internally Flawless (FL/IF), Very Very Slightly Included (VVS1/VVS2), Very Slightly Included (VS1/VS2), Slightly Included (SI1/SI2) to Included (I1, I2 and I3). When choosing a diamond it’s very important to understand clarity grades in order to make a wise choice.
Color grades refer to white or colorless diamonds. It is a ranking by an alphabetical color scale from D to Z with D being transparent (D for desirable as these diamonds are extremely rare and command the highest prices). To progressively developing a yellow or brown tint as you go down the scale towards Z.
Diamond certification is issued by trained gemologists using highly specialized equipment to measure the dimensions and weight of diamonds, and to provide an assessment of their quality through characteristics such as clarity, cut and color.
This information is then recorded in a diamond certificate or grading report which accompanies the diamond at the point of sale.
The Gemological Institute of America (GIA) is the world leader in gemstone grading and rating. This organisation sets the standard for diamond quality, and has created numerous industry accepted scales upon which to assess factors such as carat, cut, color and clarity grade. All diamonds sourced and sold by Reve Diamonds are fully certified by the GIA.