Lot 576. A Fine 10.83 carats Burmese Sapphire and Diamond Ring. Estimate HK$ 1,050,000 - 1,300,000 (€120,000 - 150,000). Sold for HK$ 1,250,000 (€ 134,599). Photo: Bonhams.

The cushion-shaped sapphire, weighing 10.83 carats, between heart-shaped diamond shoulders, the gallery and hoop pavé-set with brilliant-cut diamonds, diamonds approximately 3.05 carats total, ring size 6½

Accompanied by a Gubelin report stating that the natural sapphire has no indications of heat treatment and originates from Burma (Myanmar). Report number 12120058, dated 13 December 2012.  

Also accompanied by a Gubelin appendix stating that unheated sapphires of this size are scarce. 

Accompanied by a GRS report stating that the natural sapphire has no indications of heat treatment and originates from Burma (Myanmar). Report number GRS2017-018860, dated 23 January 2017. 

Bonhams. RARE JEWELS & JADEITE, 31 May 2017, 15:00 HKT, HONG KONG, ADMIRALTY