A Platinum, 18 Karat Yellow Gold, Emerald and Diamond Ring, Harry Winston, containing one octagonal step cut emeralds measuring approximately 14.30 x 13.18 x 9.08 mm and weighing approximately 11.31 carats, and two triangular brilliant cut diamonds measuring approximately 8.92 x 8.52 x 4.21 and 8.83 x 8.95 x 4.16 mm respectively and weighing approximately 3.14 carats total.Stamp: Winston OR750 Pt 950 (maker's mark).Accompanied by an American Gemological Laboratories emerald identification and origin certificate number CS 68897, dated July 16, 2015, stating Mineral Type: Natural Beryl, Variety: Emerald, Origin: Colombia, Clarity Enhancement: Insignificant to Minor, Type: Traditional.Accompanied by a box signed Harry Winston. 6.20 dwts.