How Diamonds Get Their Color, Sotheby's Diamonds

Not all valuable diamonds are colorless or white. In fact, a variety of minerals, from nitrogen to boron, can affect a gem’s hue – as well as its value.

Color Wheel

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The Splendour of Natural Colour Diamonds, Jewelry

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Natural History Museum of L.A. Minblog: Color in Diamonds

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How Diamonds Get Their Color, Sotheby's Diamonds

How Diamonds Get Their Color, Sotheby's Diamonds