Accompanied by Gübelin report numbered 1008677, dated 26 August 2010, stating that the 27.67 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of heating; also accompanied by GRS report numbered GRS2010-092136(Award No 605) and AGL report numbered CS42207, dated 20 September and 12 May 2010 respectively, stating that the 27.67 carat ruby is natural, of Burmese (Myanmar) origin, Vivid Red colour (GRS type "Pigeon's Blood"), with no gemological evidence of heating. Further accompanied by Gübelin and GRS appendix stating that this ruby originates from the classical and historical mines of Mogok, the most appreciated mining area and the origin of the world's most famous rubies. Very rare combination of size, fine colour and spared of thermal enhancement.

Sotheby's. Jewels and Jadeite, Hong Kong, 06 Apr 2011.