The flawless and internally flawless (0) grades are grouped. In November 2017, the largest diamond ever presented at auction, with more than 163.41 carats, sold in Geneva for more than $33.8 million, fees and commissions included - a global record in this category.īut it is not a record overall for a diamond: in April 2017, the giant "Pink Star" pink diamond sold for $71.2 million at a Sotheby's auction in Hong Kong. These numbers grades correlate almost exactly with the GIA system, but with some differences. "(The) diamond is the best of the best when it comes to exceptional white diamonds and it is difficult to overstate its rarity and beauty," said Sotheby's worldwide jewellery chairman Gary Schuler ahead of the sale. Originally a 271-carat rough stone, the gem was discovered in the now-closed Victor Mine in northern Ontario in 2018. E color diamonds are usually set in platinum or white gold to avoid the color of the jewelry detracting from their near flawless color. ![]() Under magnification and to the naked eye, a D color diamond will appear colorless. In this case, the seller's move was "a brave decision that has come back to bite them", according to Kormind. D is the highest color grade, meaning it has nearly no color. The tactic can be risky but can also generate a buzz that sellers hope will elevate the final price. The stone was sold without a reserve price, meaning the diamond went to the highest bidder and did not need to meet a minimum threshold, the first time in auction history that a diamond of this calibre has been offered that way. Only seven other white diamonds bigger than 100 carats and of the same quality have ever gone under the hammer. "The buyer of this diamond has bagged a bargain," said Tobias Kormind, managing director of online jeweller 77 Diamonds.ĭuring a time of economic uncertainty, he said, "savvy investors are currently falling over themselves to acquire alternative safe haven assets like diamonds, property and gold". ![]() An exceedingly rare 102-carat flawless white diamond sold for nearly $20.9 million at an online auction in Hong Kong on Monday evening.ĭescribed as "completely flawless" by auctioneer Sotheby's, the 102.39-carat stone went to an unnamed telephone bidder for HK$122 million in an auction held online because of the coronavirus pandemic.
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