19 mai 2016
Oppenheimer blue diamond sells for record $57.5 million at Christie's in Geneva
Lot 242. The Oppenheimer Blue. A 14.62 ct fancy vivid blue rectangular-cut diamond. Estimation: SFr.38,000,000-45,000,000. Price Realised: SFr.56,837,000 / $57,541,779 / €51,033,942. ($3,935,826 per carat). WORLD AUCTION RECORD FOR ANY JEWEL . Photo Christie's...