Impressive sapphire and diamond ring, Chaumet, 1929

Set with a cushion-shaped sapphire weighing 17.55 carats, between triangular diamond shoulders, size 48, unsigned. 

Accompanied by SSEF report no. 83210 and Gübelin report no. 16038115, each stating that the cushion-shaped sapphire weighing 17.55 carats and measuring 15.03 x 14.46 x 8.84mm, is of Kashmir origin, with no indications of heating, together with appendix letters. Also accompanied by a copy of the Archives from Chaumet. Sapphire blue of medium strong saturation, clean to the naked eye, with abrasions, chips and nicks; for further details on the stone, please refer to the gemmological reports. Side diamonds estimated to weigh a total of approximately 2.00 - 2.50 carats, on average H-I colour, SI2 clarity, as gauged and graded in the mount. Scratches to the metal consistent with age and use, coil broken. Gross weight approximately 8 grams.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones and to the Notice regarding import of Burmese jadeite and rubies into the US.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."