The Timeless Intrigue of Colored Diamonds

As the creator of the 4Cs and International Diamond Grading System, GIA also established color grading standards and terminology specifically for colored diamonds, based on the color’s hue, tone, and saturation. Today, we identify some of the defining characteristics that help make fancy-color diamonds a true feast for the eyes.

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Studying Synthetic Diamonds

Synthetic diamonds grown in a lab are virtually identical to natural diamonds, but that’s where the similarities end. In fact, there are two distinctive methods used to grow synthetic diamonds

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How Color Happens in Diamonds

Many people know that diamonds typically come in a range of colors from D to Z on the GIA color-grading scale.  However, most people don’t know how the naked eye sees color in a diamond.

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4Cs Q&A with GIA: More on Diamonds

GIA’s 4Cs Q&A series wraps up with some bonus information on fluorescence, while passing along a few friendly words of advice.

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4Cs Q&A with GIA: Diamond Carat Weight

GIA’s 4Cs Q&A series continues with a careful consideration of carat weight.

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