A Tanzanite, Coloured Sapphire and Diamond 'Toi et Moi' Ring, by Harry WinstonOf crossover design, set with a cushion-shaped tanzanite, weighing 4.08 carats, and a similarly cut yellow sapphire, weighing 4.48 carats, between pavé-set brilliant-cut diamond shoulders, diamonds approximately 1.60 carats total, Jacques Timey maker's mark, ring size 4½注脚Accompanied by a GRS report stating that the natural tanzanite zoisite has no indications of thermal treatment and originates from Tanzania. Report number GRS2019-088551, dated 20 August 2019.

Accompanied by a GRS report stating that the natural yellow sapphire has been enhanced by heat treatment, with no residues present, and originates from Ceylon (Sri Lanka). Report number GRS2019-088552, dated 20 August 2019.

4.08克拉天然無經處理坦桑石及4.48克拉天然斯里蘭卡黃色剛玉配鑽石'Toi et Moi'戒指,海瑞溫斯頓
鑽石共重約1.60克拉,戒指尺寸4½,附兩份GRS證書

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