622
9.56克拉「緬甸皇家藍」天然藍寶石 配 鑽石戒指, 藍寶石未經加熱處理
One cushion-shaped sapphire, 9.56 caratsSurrounded by sixteen pear-shaped diamonds, together approximately 12.90 caratsTiny brilliant-cut diamonds on the shank18 karat white gold附 瑞士Gübelin 及 八張美國GIA 證書