523
13.22克拉「斯里蘭卡」天然變色藍寶石 配 寶石及鑽石戒指, 變色藍寶石未經加熱處理
One oval colour-change sapphire, 13.22 caratsSmall cabochon emeralds and brilliant-cut sapphires in the galleryHighlighted by tiny diamonds in the surround and shank18 karat white and blackened gold附 美國AGL 證書