557
5.11克拉「緬甸抹谷」天然紅寶石 配 鑽石戒指, 紅寶石未經加熱處理
One cushion-shaped ruby, 5.11 caratsSixteen pear-shaped diamonds in the surround and brilliant-cut diamonds on shank, together approximately 5.35 carats18 karat white and yellow gold附瑞士Gübelin證書