Accompanied by Gübelin report no. 11055090 dated June 1, 2011 stating that the ruby is of Burmese origin, with no indications of heating, and that the color of this ruby may also be called 'pigeon's blood' by members of the trade.

Please note that the diamonds of yellow hue have not been tested for natural origin of color.

Sotheby's. Magnificent Jewels, New York, 4 december 2018