Have you ever heard about the most expensive fancy colour diamonds, which still excite the minds and hearts of gemologist-experts and jewellery lovers?
What colour is the most expensive diamond in the world? Surprisingly, it’s red! The deposit of these beauties is Argyle Diamond Mine in Australia. In the entire human history only few of this rare diamonds has been found. Most of them does not exceed 0.5 carats in weight. Every year the lucky ones get a chance to buy these precious stones for the price of $1 million per carat on auctions.
The Wittelsbach Diamond
For a long time the most expensive diamond in the world was considered cushion shaped fancy deep blue The Wittelsbach diamond, weighting 35.56 carats. It has been passed down from one royal owner to another and formed part of the crowns of Austria and Bavaria. On December 10th, 2008 the stone was sold at a Christies in London for £16.4 million, or US$23.4 million, to London-based jeweler Laurence Graff. The famous jeweller recut the diamond to remove the small nicks from the edge of the stone. This reduced its weight to 31.06 carats. Risk and reward, after the recut the diamond was reexamined by the Gemological Institute of America (GIA) and its color grade revised from Fancy Deep Grayish Blue to a more desirable grade of Fancy Deep Blue. The diamond’s clarity had also been revised upward, from Very Slightly Included (VS1) to Internally flawless (IF).
The Graff Pink
The Graff Pink, 24.78 carat, was at the top of the most expensive diamonds in the world till 2013. The history of the diamond can be traced only from the middle of XX century. The first famous owner of the stone was American jeweller Harry Winston. In 2010, the stone was sold at Sotheby’s for an incredible amount of $ 46 million. The buyer was a British jeweller Lawrence Graff. The Pink Graff is a rare type of diamond, found only in 2% of all mined diamonds. It has an intense pink colour, emerald cut and set to platinum ring framing with two white diamonds.