The 41.28ct blue diamond unearthed at the famous Cullinan Mine, could be one of the most significant gemstones ever to be ...

A large blue diamond has been found in a South African mine which experts believe could reach up to £30m at auction.

The ultra-rare stone could fetch up to $40 million, signalling a bright spot for a diamond sector under pressure.

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 ...

Danie van der Lith A rare blue diamond weighing more than 41 carats has been recovered from South Africa’s renowned Cullinan Mine, a discovery that has reignited global attention on one of the world’s ...

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 ...

A rare blue diamond weighing almost 42 carats has been unearthed in South Africa’s historic Cullinan Mine, with industry ...