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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
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 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
Diamond - Gemological Institute of America what's in a name? Diamond [dye -mund] (noun) Diamond comes from the Greek word adamas which means “invincible ” For being the hardest material on earth, that is the perfect name for this gem!
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
What is Diamond Color What it Means | GIA 4Cs Proper color evaluation is a matter of expertise The correct way to evaluate diamond color is in precise conditions, under controlled lighting, where stones are compared to masterstones with established color grades Once properly evaluated, color is documented based on the GIA D-to-Z Color Scale From D for colorless to Z for light
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
GIA Diamond Grading Scales: Universal Quality Measure | GIA 4Cs The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond First up, an overview of the 4Cs: Color, Clarity, Cut, and Carat Weight