Sotheby's flawless Blue Moon diamond, a 12.03ct will be the largest ever blue diamond ever to appear at auction. It was cut from a 29.62 rough blue, found by Petra Diamonds at the South African Cullinan mine in Jan 2014. It was purchased by Cora International and took 6 months to cut and polish. Estimates for auction will be between $35 and $55 million.
Superb and Rare Fancy Vivid Blue Diamond and Diamond Ring Set with an oval brilliant-cut diamond weighing 10.10 carats, flanked by two pear-shaped diamonds, to the circular-cut diamond surround, gallery and hoop, mounted in 18 karat white gold. Ring size: 6¾
Raw Blue Diamond Ring // Hidden Gems stacking band