Blue diamond is considered as the most expensive ... Other rare colors include pink, green, and purple. Also rare but lesser rare than the aforementioned are orange and fancy yellow (strong ...

A rare Russian pink diamond called the ‘ Spirit of the Rose ’ has set the new world record for the most expensive purple-pink diamond ever sold. The 14.83 carat diamond was auctioned for a ...

These are rare diamonds with beautiful coloring and skyrocketing ... Other shades like the purple and orange-pink tints will lessen the marketability and the price of the gem.