The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been pulled from the May 14 Christie’s Geneva Magnificent Jewels sale. If it went to auction it would have been the largest fancy vivid ...

Botswana has unveiled a blue diamond whose value could outstrip that of the storied Hope Diamond: the 20.46-carat, close-to-flawless Okavango Blue. The diamond was presented in Gaborone, Botswana by ...

ABU DHABI – A rare blue diamond was displayed Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi. The eight diamonds on ...

Sotheby’s is set to auction the De Beers Cullinan Blue Diamond in April during its Hong Kong Luxury Week sales, starting at an estimate of $48-million. The 15.10-carat step-cut diamond is the largest ...

One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s. Named “The De Beers Cullinan Blue,” it is the biggest vivid blue ...

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

Blue diamonds are very rare, comprising only about 0.02% of mined diamonds. PRETORIA, South Africa -- Botswana unveiled the largest rare blue diamond ever discovered within its borders: a super rare ...

Sotheby's auction house in Geneva on May 8, 2025, unveiled the breathtaking 10-carat "Mediterranean Blue Diamond," which is expected to set a record $20 million price at auction later this month. The ...

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 ...