- 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
- 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
- Home | GIA 4Cs
The 4Cs are the industry standard for evaluating diamond quality They are also the best way to understand your diamond, and to ensure accuracy in the evaluation of your diamond’s unique characteristics
- 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
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