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10.97克拉「越南」天然變色尖晶石配鑽石戒指, 尖晶石未經加熱處理
估價
HK$200,000–240,000
€21,900–26,300
$25,000–30,000
成交價
HK$225,000
One cushion-shaped colour-changing spinel, 10.97 caratsBrilliant-cut diamonds in the surround and the shank, totalling approximately 2.70 carats18 karat white gold附 瑞士Gübelin 證書