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Color Diamond

Pure diamond has the visual effect of being able to transmit visible light and appear as clear colorless crystal. However, many people prefer to have a diamond that is a specific color. A color diamond can be yellow, brown, blue, green, black, translucent white, pink, violent, orange, purple, and even red in rare cases.

Though it doesn’t sound great to say it, a color diamond actually originates from lattice defects and impurities. Since the diamond is strong, only atoms of nitrogen, boron and hydrogen can be introduced into the diamond. These gases are able to provide distinctive coloration on the otherwise crystal clear physical properties of the diamond.

Nitrogen, for example, is responsible for yellow and brown in diamonds, whereas boron is responsible for gray and blue colors. A color diamond can also be formed by irradiation, which can cause the color green, as well as physical deformation in the diamond, which can cause brown, pink and red coloration in a diamond.  A “black” color diamond is not actually black, but contains dark inclusions that give the gems a distinctive dark appearance.

 

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