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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 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
How to Buy a Diamond | GIA 4Cs It isn’t until a diamond is cut, that the real beauty of a diamond begins to take shape 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
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
Diamond Clarity | GIA 4Cs The clarity of a diamond is based on the size, location, visibility and number of inclusions or blemishes Internal and surface reaching characteristics are called inclusions External features are called blemishes Precise clarity grading is the secret to accurately evaluating a diamond
What Is a Real Diamond? - GIA 4Cs Incredibly hard, highly refractive, practically impervious to heat, diamond is a crystal form of carbon But what makes it a real diamond? Find out!
Understanding the 4Cs of Diamond Quality | Diamond Factors - 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
Diamond Carat Weight | Understanding Carat Measurement - GIA 4Cs Understanding the weight of your diamond purchase When shopping for a diamond, you may hear a jeweler refer to a diamond’s weight in points, calling a diamond that weighs 0 25 carats a “twenty-five pointer ”
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