Ultra Rare Blue Diamond to Hit the Auction Block at Sotheby
Saturday, April 18th, 2009From Rapaport A Super Stone is sure to be the talk-of-the-town at the May 12 Sotheby’s auction in Geneva, Switzerland. Cut from a 26.58 ct. crystal mined at the famed Cullinan Mine in South Africa, the 7.03 ct cushion shaped diamond has been graded Fancy Vivid Blue and Internally Flawless by the Gemological Institute of […]
