SAPPHIRE AND DIAMOND RING, CARTIER

Of bombé design, set with a cushion-shaped sapphire weighing 16.51 carats, enhanced by brilliant-cut and baguette diamonds, the shoulders set with shield- and trapeze-shaped diamonds, mounted in platinum, size 7¾, signed Cartier, numbered, case stamped Cartier.

Accompanied by Gübelin and SSEF reports no.17110168, dated 29 November 2017 and no. 96205, dated 30 October 2017 respectively, both stating that the sapphire is of Burmese origin, with no indications of heating. For further details, please refer to reports. Signed Cartier, numbered 35010. Stamped PT950 for platinum and 51 for Cartier ring size. Sapphire is medium blue colour, of strong saturation. Under 10x magnification there are few typical inclusions, minor abrasions. Diamonds estimated to weigh approximately 10.50-11.00cts in total are on average F to G colour, mostly VS clarity, as graded and gauged in the mount. Minor signs of wear to metal consistent with use. Overall in very good condition.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. 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. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.Certificates of Authenticity: Various manufacturers may not issue certificates of authenticity upon request. Sotheby's is not under an obligation to furnish the purchaser with a certificate of authenticity from the manufacturer at any time. Unless the requirements for a rescission of the sale under the Terms of Guarantee are satisfied, the failure of a manufacturer to issue a certificate will not constitute grounds to rescind the sale. Gemological Certificates and Reports: References in the catalogue descriptions to certificates or reports issued by gemological laboratories are provided only for the information of bidders, and Sotheby's does not guarantee and accepts no responsibility for the accuracy, terms or information contained in such certificates or reports. Please also note that laboratories may differ in their assessment of a gemstone (including its origin and presence, type and extent of treatments) and their certificates or reports may contain different results.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Accompanied by Gübelin report no. 17110168, dated 29 November 2017, and SSEF report no. 96205, dated 30 October 2017, each stating that the sapphire is of Burmese origin, with no indications of heating.