Green Diamonds

Gamma radiation to which certain diamonds were exposed during a period that could have lasted for several million years created natural green diamonds. The gamma radiation led to the displacement of atoms in the crystal structure of the stones. It has been known, although extremely rare, for the existence of hydrogen atoms to lead to a grayish-green color.

Natural green diamonds are the scarcest of stones after red diamonds. That has an obvious consequence for prices. Nonetheless, mixed green colors, such as mint, lime and olive are more reasonably priced.

As well as the single green color, there can be one or more of the overtone colors: Yellow, Yellowish, Blue, Bluish, Brown, Brownish, Grey, Greyish, Grey Yellowish, and Greyish Yellowish.

Green diamonds have the following intensity grades: Faint, Very Light, Light, Fancy, Fancy Intense, Fancy Vivid and Fancy Deep. This depends on the diamond’s secondary colors.


Natural red diamonds are the rarest of all natural color stones. So much so that fewer than 10 such diamonds are produced annually in the whole world.


Looking to create a spectacular piece of natural colored diamond jewelry? Contact Shelley & Co for advice and how we can find the exact diamonds that you require for elegant jewelry.

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