A rare 10-carat blue fancy diamond could fetch up to $20 million when it goes to auction in Geneva on May 13, auction house ...

The Mediterranean Blue, a 10.03-carat vivid blue diamond, sold for $21.5 million at Sotheby’s Geneva, becoming 2025’s most ...

A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

Sotheby's in Geneva introduces the 10-carat 'Mediterranean Blue Diamond,' a rare fancy vivid blue gemstone mined in South ...

Sotheby's High Jewelry Sale later this May is bringing plenty of gems to the auction block, such as the Mediterraean Blue and ...