255
6.89克拉「斯里蘭卡」天然亞歷山大變色石戒指，亞歷山大變色石未經淨度及加熱處理
估價
CHF45,000–62,000
€48,300–66,600
$50,000–70,000
Set with a cushion-shaped alexandrite weighing 6.89 carats, size 52.
Accompanied by Gübelin report no. 24090072, stating that the alexandrite is of Ceylon origin, with no indications of treatment, displaying distinct colour change, from brownish-green in daylight to reddish-purple in incandescent light.
附瑞士Gübelin證書
Accompanied by Gübelin report no. 24090072, stating that the alexandrite is of Ceylon origin, with no indications of treatment, displaying distinct colour change, from brownish-green in daylight to reddish-purple in incandescent light.
附瑞士Gübelin證書