Lot 145. A 3.20 carats Mogok, Burma pigeon blood red' oval-cut ruby and diamond ring. Estimate CHF 480,000 - CHF 550,000 (USD 485,581 - USD 556,395). Photo Christie's Images Ltd 2016.
Set with an oval-cut ruby, weighing approximately 3.20 carats, to the diamond-set shoulders, ring size 5 ½, mounted in platinum and gold.
Accompanied by report no. 16080077 dated 22 August 2016 from the Gübelin GemLab stating that the origin of the ruby is Burma (Myanmar), with no indications of heating, and that the colour may also be called 'pigeon blood red', also with two Information sheets on 'Rubies from Mogok, Burma' and 'Unheated rubies'.
Report no. 85550 dated 15 April 2016 from the SSEF Swiss Gemmological Institute stating that the origin of the ruby is Burma (Myanmar), with no indications of heating, and that the colour may also be called 'pigeon blood red'.
Christie's. Geneva Magnificent Jewels, 15 November 2016, Geneva