513
6.76克拉「斯里蘭卡」天然變色藍寶石配鑽石及彩色鑽石戒指，藍寶石未經加熱處理
One oval-shaped colour-change sapphire, 6.76 caratsHeart-shaped and round brilliant-cut diamonds
Round brilliant-cut coloured diamondsPlatinum附美國GIA證書
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