The antique cushion-shaped ruby, weighing 5.19 carats, within a pear and marquise-cut diamond openwork surround, extending to the gallery, accented by brilliant-cut diamonds on the hoop, diamonds approximately 6.15 carats total, ring size 5¾.
Accompanied by a SSEF report stating that the natural ruby has no indications of heat treatment and originates from Burma (Myanmar). Report number 95359, dated 20 September 2017.
Accompanied by a GRS report stating that the natural ruby is GRS type 'pigeon's blood' vivid red colour, has no indications of thermal treatment and originates from Burma (Mogok, Myanmar). Report number GRS2017-108517, dated 12 October 2017.
Bonhams. RARE JEWELS & JADEITE, 27 May 2018, 14:00 HKT, HONG KONG, ADMIRALTY
