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4.91克拉「坦桑尼亞」天然藍色尖晶石、4.30克拉「越南」紅色尖晶石配4.30克拉鑽石戒指，藍色尖晶石未經加熱處理
估價
CHF24,000–40,000
€25,900–43,200
$30,000–50,000
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Of crossover design, set with a cushion-shaped blue spinel weighing 4.91 carats and a cushion-shaped red spinel weighing 4.30 carats, highlighted with brilliant-cut diamonds, size 53.
Accompanied by SSEF report no. 154801, stating that the blue spinel is of Tanzanian origin, with no indications of heating, and no. 154802, stating that the red spinel is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures; together with a gemmological report.
附瑞士SSEF證書兩張
Accompanied by SSEF report no. 154801, stating that the blue spinel is of Tanzanian origin, with no indications of heating, and no. 154802, stating that the red spinel is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures; together with a gemmological report.
附瑞士SSEF證書兩張