A 5.19 carats Burma ruby and diamond ring. Estimate HK$ 500,000 - 800,000 (€61,000 - 98,000). Photo: Bonhams.

The cushion-shaped ruby, weighing approximately 5.19 carats, between baguette-cut diamonds, the hoop set with brilliant-cut diamonds, diamonds approximately 1.55 carats total, ring size 6½

Accompanied by a GRS report stating that the natural ruby has no indication of thermal treatment and originates from Burma (Myanmar). Report number GRS2014-108967, dated 23 October 2014.

Bonham's. RARE JEWELS & JADEITE, 30 Nov 2015 17:00 HKT - HONG KONG, ADMIRALTY