Spectacular ‘Oppenheimer Blue’ Diamond Could Fetch $45M
The largest “fancy vivid blue” diamond ever to be offered at auction will form part of a dazzling jewelry sale in Geneva next month where it is seen as possibly fetching around $45 million, according to Christie’s. The rectangular-cut “Oppenheimer Blue,” which is measured at 14.62 carats, will take its place in the Magnificent Jewels…