The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.

A vivid blue diamond weighing 9.51 carats and previously belonging to Rachel "Bunny" Mellon, the aristocratic philanthropist ...

A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($25.6 million) ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

A nearly 10-carat blue diamond was sold at an auction in Switzerland on Tuesday for 20.5 million Swiss francs ($26.6 million) ...

A vivid blue diamond known as the Mellon Blue has sold for more than $25 million at an auction in Geneva, according to ...

The Mellon Blue, a 9.51-carat fancy vivid blue diamond formerly owned by the US art collector Bunny Mellon, sold for $25.6 ...

Art collector Rachel Lambert “Bunny” Mellon’s blue diamond pendant, known as the Mellon Blue, has sold for $25.5 million at ...

The vivid blue gem once belonged to a close friend of Jackie Kennedy. Read more at straitstimes.com. Read more at ...

The Mellon Blue, a vivid blue diamond weighing 9.51 carats, once owned by philanthropist Rachel 'Bunny' Mellon, sold in Geneva for $25 million. Named after Mellon, the diamond was previously set as a ...

It was last sold for more than US$32 million in 2014; diamond expert blames geopolitical tensions and weakened Chinese ...