Lot 599. A 10.65 carats Cabochon Star Burma Mogok Ruby and Diamond Ring. Estimate HK$ 800,000 - 1,000,000 (€87,000 - 110,000). Unsold. Photo: Bonhams.

Designed as a four-leaf clover, centring a cabochon star ruby, weighing 10.65 carats, the leaves pavé-set with brilliant-cut diamonds, diamonds approximately 1.50 carats total, ring size 6.

Accompanied by an AGL (American Gemological Laboratories) report stating that the natural star ruby has no indications of heat treatment and originates from Burma (Myanmar). Report number CS 8086988, dated 28 September 2017.

Accompanied by a GRS report stating that the natural star ruby has no indications of thermal treatment and originates from Burma (Mogok, Myanmar). Report number GRS2012-112517, dated 19 November 2012. 

Bonhams. RARE JEWELS & JADEITE, 26 Nov 2017, 14:00 HKT - HONG KONG, ADMIRALTY