A pink diamond closed at auction for $57.73 million in Hong Kong Friday night, the most expensive diamond per carat ever sold. The 11.15-carat Williamson Pink Star diamond sold at a Sotheby’s auction.

The Mellon Blue is a 9.51-carat internally flawless fancy vivid blue pear-shaped diamond. It is one of the top fancy blue ...

A pink diamond has been sold for a record-breaking price per carat in Hong Kong. The 11.15-carat Williamson Pink Star was purchased for $57.7 million during a Sotheby’s Hong Kong auction on Oct. 7, ...

A flawless fancy vivid purplish pink diamond will be auctioned in June for US$35 million, or US$3.3 million per carat, the highest price per carat placed on any diamond or gemstone prior to its sale, ...

The high-value paddles were out in full force at the Christie’s Magnificent Jewels sale in Geneva this week, where the largest white diamond ever sold at auction hammered in for $21,894,082. The ...

A rare 11.15-carat pink diamond was sold for $49.9 million in Hong Kong on Friday. The sale set a world record for the highest price per carat for a diamond sold at auction, according to Sotheby’s.

An impeccable diamond coming up for auction takes pretty in pink to an entirely new level. The Eternal Pink Diamond, a 10.57-carat jewel, was fashioned from a 23.78-carat rough stone discovered in ...

TORONTO, July 14, 2025 /CNW/ - Mountain Province Diamonds Inc. (MPVD:CA) today announces a correction to its news release dated July 10, 2025 entitled "Mountain Province Announces Second Quarter 2025 ...

GENEVA (Reuters Life!) - A pear-shaped blue diamond has sold for 5.2 million Swiss francs ($4.93 million), setting a new world record price per carat for any gemstone, Sotheby's said on Friday. The ...

HONG KONG (AP) — A pink diamond was sold for $49.9 million in Hong Kong on Friday, setting a world record for the highest price per carat for a diamond sold at auction. The 11.15-carat Williamson Pink ...