A 41.82-carat South African blue diamond of ‘exceptional colour and clarity,’ from the Cullinan Mine, could sell for record ...

The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry Auction this May, on sale ...

Blue diamonds are considered the rarest and most desired on the market. A particularly big one sold for millions at Sotheby’s on Thursday, scraping just beneath the surface of its $26 million ...

Would you pay a fortune for a single stone? On May 13, 2025, a 10.03-carat blue diamond called The Mediterranean Blue sold in Geneva for $21.5 million, offering a sharp read on how much collectors ...

Petra Diamonds has announced the recovery of a remarkably large fancy colour blue diamond from the famed Cullinan Mine in South Africa.

A collector just gave whole new meaning to the phrase “feeling blue,” after snapping up the world’s largest blue diamond to ever come to auction. The De Beers Cullinan Blue, a 15.10-carat step-cut ...