Platinum, Diamond and Sapphire Ring, Raymond Yard - Photo Sotheby's
Centered by an emerald-cut diamond weighing 6.23 carats, flanked by two shield-shaped sapphires and six single-cut diamonds, size 6, signed Yard. Estimation: 350,000 - 450,000 USD
Accompanied by GIA report no. 5121748879 stating the diamond is F color, Internally Flawless.
Sotheby's. Magnificent Jewels. New York | 05 déc. 2012, www.sothebys.com