Platinum, Ruby and Diamond Brooch, Chaumet, France, Circa 1920
- platinum, ruby, diamond, brooch
Accompanied by Gübelin report no. 1011273 stating that the ruby is of Burmese origin, no indications of heating. Together with notes from Gübelin stating that the ruby possesses the properties of Burmese rubies from the Mogok Valley. Also accompanied by GRS report no. GRS2010-110965 stating that the ruby is of Burmese origin, no indications of thermal treatment and 'pigeon's blood' type.