This lot will be sold with no reserve.
502
5.33克拉「馬達加斯加」天然變色藍寶石 配 鑽石戒指, 藍寶石未經加熱處理
One step-cut colour-changing sapphire, 5.53 caratsPierced mount set with brilliant-cut and baguette diamonds, totalling approximately 1.00 caratPlatinum附 瑞士GRS 證書