Important Sapphire and Diamond Ring, Bulgari

Set with an oval sapphire weighing 29.87 carats, flanked by two shield-shaped diamonds weighing approximately 1.20 carats in total, mounted in platinum, signed Bulgari. Ring size: 5¼

Accompanied by Gübelin and SSEF reports numbered 17075023 and 89934 dated 18 July 2017 and 23 January 2017 respectively, stating that the 29.87ct sapphire is natural of Burmese origin with no indications of heating. Report further states that the colour of the sapphire may be called "Royal Blue" based on Gübelin and SSEF reference standards. For further detail, refer to reports. Signed Bulgari. Stamped PT950 for platinum mounting. Sapphire is medium dark blue of strong saturation with typical inclusions, hardly visible under 10X magnification. Diamonds estimated to weigh approximately 1.20 carats are on average G colour, VS clarity as gauged and graded in the mounting. Signs of minor 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 and SSEF reports numbered 17075023 and 89934, dated 18 July 2017 and 23 January 2017 respectively, stating that the 29.87 carat sapphire is natural, of Burmese (Myanmar) origin, with no indications of heating, and the colour of this sapphire may also be called 'royal blue' based on Gübelin and SSEF reference standards. Also accompanied by SSEF Appendix letter stating that 'The natural sapphire...exhibits an impressive size and weight...combined with a highly attractive and saturated colour and a very fine purity. A natural sapphire from Burma of this size and quality is rare and exceptional.'; further accompanied by a SSEF folio report.