Lot 2062. An important 19.04 carats cushion-shaped Burma sapphire and diamond ring. Estimate HK$3,500,000 – HK$5,500,000 (US$452,680 - $711,354). Photo Christie's Image Ltd 2016

Set with a cushion-shaped sapphire, weighing approximately 19.04 carats, flanked by triangular-shaped diamonds, mounted in gold, ring size 5¼

Accompanied by report no. 85195 dated 29 March 2016 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Burma (Myanmar) origin, with no indications of heating

Report no. 9209001 dated 2 September 1992 from the Gübelin GemLab stating that the sapphire is of Burma (Myanmar) origin, with no evidence of thermal treatment

Please note that one report is more than 5 years old and might require an update

Christie's. HONG KONG MAGNIFICENT JEWELS, 31 May 2016, Convention Hall