Lot 2193. A 6.75 Carat 'Pigeon Blood' Burmese Ruby and Diamond Ring. Estimate Upon Request. 2019 © Poly Auction Hong Kong Limited

Accompanied by report no. 19011153 dated 28 January 2019 from Gubelin stating that the 6.75 carat ruby is of Burma(Myanmar) origin, with no indications of heating, pigeon blood red colorAlso accompanied by a special appendixAccompanied by report no. GRS2019-038269 dated 5 March 2019 from GRS stating that the 6.75 carat ruby is of Burma(Mogok) origin, with no indications of heating, vivid red GRS type 'pigeon blood' red colot.

Poly Auction. Magnificent Jewels, 1 April 2019 2:00PM, Grand Hyatt Hong Kong