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7.17克拉「東非」天然紅寶石配鑽石戒指,紅寶石未經加熱處理

估價
CHF40,000 - 55,000
€41,400 - 56,900
$45,000 - 60,000
拍品詳情
Set with an oval ruby weighing 7.17 carats, the shoulders and shank accented with three square-cut diamonds on each side, size 52, indistinct marker's mark and assay mark.

Accompanied by Gubelin report no. 20080020, stating that the ruby is of Mozambique origin, with no indications of heating.

附瑞士Gübelin證書