Star Ruby and Diamond Ring

Set with an oval star ruby weighing 10.10 carats, flanked by shield-shaped diamonds weighing approximately 1.00 carat in total, to the circular-cut diamond scrolls and baguette diamond shoulders, mounted in platinum. Ring size: 5¾

Accompanied by GIA report numbered 2171006208, stating that the star ruby is of Burmese (Myanmar) origin, with no indications of heating. Also accompanied by Gübelin report numbered 9610050, dated 15 October 1996, stating that the 10.10 carat ruby is of Burmese origin, with no indications of thermal treatment. Please refer to the reports for further details. Mounted in platinum as tested. Star ruby purplish red of medium saturation, displayed distinct asterism, with typical natural inclusions, some are surface reaching and a few of orangy colour, some minor abrasions, nicks and tiny chips, the base with minor cavities. Diamonds estimated to weigh approximately 1.00 carat in total, about I to J colour, VVS to VS clarity, as gauged and graded in the mount. Signs of normal wear to the metal, 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 GIA and Gübelin reports numbered 2171006208 and 9610050, dated 7 February 2015 and 15 October 1996 respectively, stating that the star ruby is natural, of Burmese (Myanmar) origin, with no indications of heating.