Fine Jewels And Jadeite May 2019

A COLOR-CHANGE SAPPHIRE AND DIAMOND RING

The auction will start in __ days and __ hours

Start price: HK$200,000

Estimated price: HK$200,000 - HK$300,000

Buyer's premium:

Of tapered bombé design, set to the center with a cushion-cut color-change sapphire weighing 9.26 carats, flanked by pear-shaped diamonds, within an openwork pear-shaped and brilliant-cut diamond surround, extending to the rim and half-hoop, mounted in 18K white gold, diamonds weighing approximately 5.45 carats in total, ring size 6

Accompanied by a report from the Gemresearch SwissLab, stating that the 9.26 carat natural sapphire shows color-changing in different lights: blue in daylight to purple in incandescent light, originates from Sri Lanka and has no indication of thermal treatment, report no. GRS2018-108395, dated 12th October 2018