‘Mellon Blue’ diamond sells for $26.6 million at Swiss auction – abcnews.go.com
GENEVA — A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 million) including fees. The pear-shaped 9.51-carat “Mellon Blue” — named for the late American arts patron Rachel “Bunny” Mellon — had been expected to fetch $20-$30 million at the Christie’s auction on Tuesday. The…
