- 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
- 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
- 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
- GIA Diamond Origin
GIA’s Diamond Origin tells the story of how diamonds mined from these countries support jobs, education, and health care and in many cases, how they help protect the environment in and around local mining communities
- 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
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