Leilão Bidspirit | AN IMPORTANT RUBY AND DIAMOND

AN IMPORTANT RUBY AND DIAMOND RING, BY HARRY WINSTON - Set with a cushion-cut ruby weighing 13.76 carats, enhanced by the half-moon-shaped diamond shoulders, to the plain hoop, mounted in platinum and 18K yellow gold, signed HW, ring size 5 Accompanied by a report from the Gübelin Gem Lab, stating that the approximately 13.77 carat natural ruby is red color, originates from Thailand (Siam) and has indications of heating, report no. 16081005, dated 8th August 2016 Accompanied by a report from the GemResearch Swisslab, stating that the 13.76 carat natural ruby is vivid red color, originates from Siam (Thailand) and has indications of thermal treatment, report no. GRS2018-065030, dated 21st June 2018 13.76克拉橢圓形明亮式/梯式切磨泰國天然紅寶石戒指，配以小鑽，鑲鉑金及18K黃金，戒指尺寸5，附Gübelin及G RS證書，HARRY WINSTON 設計 US$250,000 - 375,000