Rare Natural Colored Diamonds. Of all the rare natural colored diamonds green diamonds are the least rare but pure green diamonds hardly ever go up for sale. Of the most expensive green diamonds sold at auction there was the vivid green diamond sold at sotheby s in 2009 for usd 3 08 million.
However naturally colored diamonds are a bit more complicated to judge relying on color and color intensity to set the scale. The fancy colored diamonds are the rarest in the world. Most diamonds come from 150 250km in the lithosphere.
The economic cycles of the past 15 years has seen colored diamonds reach new heights in value as price records were broken.
Diamonds are scarce and expensive. Popular diamond colors yellow diamonds. In other words colored diamonds are very rare. It has a maximum hardness.
