GENEVA -- A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 ...
A vivid blue diamond weighing 9.51 carats and previously belonging to Rachel "Bunny" Mellon, the aristocratic philanthropist ...
The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.
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 blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($25.6 million) ...
The Mellon Blue, a 9.51-carat fancy vivid blue diamond formerly owned by the American art collector Bunny Mellon, sold for ...