OPINION: 77 Diamonds MD on the Blue Moon auction JewelleryNewsOpinion by Stacey Hailes on 10th November 2015 Sotheby’s Geneva is preparing to sell the largest cushion-shaped fancy vivid blue diamond ever to appear at auction tomorrow (Nov 11). The rare 12.03ct diamond named the Blue Moon will lead Sotheby’s Magnificent Jewels and read more
