The physical conditions necessary to color a diamond naturally occur very scarcely, making natural color diamonds extremely rare. How rare? For every natural color diamond, there are 10,000 colorless ones that have made the trip to the Earth’s surface. It is this entirely natural process of geographical formation which ensures that each natural color diamond is one of a kind.
The formation of natural color diamonds is a process that requires the presence of not only the original magical formula for all diamond creation, but also the presence of additional trace elements and distortions to the typical diamond crystal. If an element interacts with carbon atoms during diamond creation, the diamond’s color can change. Radiation and pressure on a diamond’s structure will also impact its color as well.
What Variables Give Diamonds Their Color ?
The presence of nitrogen can impart yellow or orange shades to a diamond.
The presence of boron will impart a blue shade to a diamond ranging from deep blue to sky blue.
The presence of hydrogen produces unique violet hues.
Tremendous pressure exerted on a diamond deep in the earth can abnormally compress its structure, thus creating a red, pink, purple or brown stone. Evidence of graining, which scientists believe is attributed to tremendous pressures under the earth can be seen at 10x in many Argyle pink and cognac diamonds.
Natural radiation impacting already formed diamonds over millions of years can give them a green hue.
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