A pear-shaped blue diamond that once belonged to horticulturist, collector, and philanthropist Bunny Mellon sold for $32.6 ...

The rare Mellon Blue 9.51-carat teardrop-shaped blue diamond sold for $25.6 million at an auction on Tuesday – $7 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 ...

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

A vivid blue diamond once owned by White House Rose Garden designer Bunny Mellon sold for over $25 million at Christie’s Geneva auction.

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

The oral cholera vaccine, developed by the Cape Town-based pharmaceutical firm Biovac, is currently undergoing trials 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 ...

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