Accompanied by Gübelin report no. 16117061, dated 1 December 2016, stating that the ruby weighing 3.30 carats is of Burmese origin, with no indications of heating; also accompanied by two gemmological reports.
Accompanied by Gübelin report no. 16117061, dated 1 December 2016, stating that the ruby weighing 3.30 carats is of Burmese origin, with no indications of heating; also accompanied by two GRS reports no. GRS2016-062721, dated 6 July 2016 and no. GRS2018-048675, date 19 April 2018, each stating that the 3.30 carat ruby is of Burmese (Mogok) origin, with no indication of thermal treatment. Please refer to the reports for further details.
Inscribed 750 for 18 karat white gold, 3.30, 2.09 and D1.28 referring to the weight of the oval ruby and total weight of the marquise-shaped rubies and diamonds respectively. Rubies are well matched, of medium dark purplish red colour and medium strong saturation. Oval ruby is eye-clean and lively, under 10x magnification, there are minor typical inclusions with a few surface reaching, a few nicks and one small shallow chip at the girdle. Marquise-shaped rubies with typical inclusions and some are surface reaching, some nicks and minor abrasions, all only visible under 10x magnification. Diamonds are bright and lively.
Signs of very minor 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.