518
25.35克拉「斯里蘭卡」天然藍寶石配鑽石戒指, 藍寶石未經加熱處理
One cushion-shaped sapphire, 25.35 caratsBrilliant-cut diamonds in the surround totaling approximately 5.50 carats18 karat white gold附 瑞士 Gübelin 及 SSEF 證書
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