26 novembre 2016
19.09 carats Sri Lankan 'Royal Blue' Sapphire and Diamond Ring
Lot 1698. 19.09 carats Sri Lankan 'Royal Blue' Sapphire and Diamond Ring. Estimate 700,000 — 900,000 HKD . Photo Sotheby's. Of bombé design, set with an oval sapphire weighing 19.09 carats, within a circular-cut diamond surround and pavé-set diamond shoulders,...