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Natural Diamonds | Diamond Stone – GIA C Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA
Diamond Description Diamond is the only gem made of a single element: It is typically about 99 95 percent carbon The other 0 05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry Some trace elements can influence its color or crystal shape
Diamond History and Lore The story of the modern diamond market really begins on the African continent, with the 1866 discovery of diamonds in Kimberley, South Africa Entrepreneur Cecil Rhodes established De Beers Consolidated Mines Limited 22 years later, in 1888
How to Buy A Diamond - GIA 4Cs With a GIA Diamond Grading Report, you can confidently make your next diamond purchase With an unbiased diamond evaluation, you’re free to focus on its beauty
Diamond Fun Facts Diamond crystals are brought closer to the Earth’s surface through volcanic activity Diamonds can be found in shallow alluvial deposits where the crystals settle after being transported away from the kimberlite pipes by geologic activity and rivers
Understanding the 4Cs of Diamond Quality - GIA 4Cs This framework is both a way to better understand your diamond, and to ensure accuracy in the evaluation of your diamond’s unique characteristics It is the best way to ensure clear information, uniform practices, scientific grading and transparent evaluation in the global diamond industry
GIA Diamond Research Whether examining the laboratory-grown diamonds submitted for grading reports, growing CVD diamonds at our research facility in New Jersey, or altering these materials through treatments, GIA is staying at the forefront of characterization and identification of laboratory-grown diamond
Diamond Origin | GIA 4Cs The discovery of a kimberlite pipe in South Africa in 1869 marks the beginning of the modern diamond era With it came the development of mining operations producing tens of millions of carats of rough diamonds each year – that includes a major discovery in Botswana in 1967, as well as other areas of Africa, Australia, Brazil and the
Diamond Quality Factors A well-cut diamond displays the beauty consumers expect to see in a diamond A beautiful diamond looks the way it does because of three optical effects: white light reflections called brightness, flashes of color called fire, and areas of light and dark called scintillation
Home | GIA 4Cs For nearly 100 years, GIA has helped advance the global diamond industry through innovation and education A GIA Diamond Grading Report is more than the standard in diamond evaluation—it is the internationally trusted source for diamond quality reporting by jewelers, museums and auction houses