Star Ruby and Diamond Ring

Designed as a cluster of cabochon star rubies weighing 20.76 carats in total, to the circular-cut diamond details and shoulders, the diamonds stated to weigh approximately 1.91 carats in total, mounted in 18 karat white gold. Ring size: 6

Accompanied by five AGL reports numbered CS 84959, CS 84955, CS84954, CS 84957 and CS 84961, all dated 24 September 2015, stating that five star rubies weighing 5.33, 4.28, 4.18, 3.53 and 3.44 carats respectively, are natural, with no gemmological evidence of heat. Also accompanied by three GRS reports numbered GRS2013-054837, GRS2014-100419 and GRS2013-082274, dated 4 June 2013, 19 December 2014 and 9 September 2013, stating that three star rubies weighing 5.33, 4.18 and 3.53 carats respectively, are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. GRS further stating the 5.33 carat ruby is vivid red (GRS type "pigeon's blood"). Please refer to the report for further details. Inscribed 750 and 18K for 18 karat white gold, inscribed S 20.84, D 0.98 and d 0.93 referring to the weight of the rubies and diamonds. Four rubies of purplish red and one of red colour, medium to medium strong saturation, display distinct asterisms, with typical inclusions and some are surface reaching, some chips, nicks and a few minor cavities, two rubies with minor colour zoning. Diamonds stated to weight approximately 1.91 carats in total, are on average G to I colour, VS to SI clarity, as gauged and graded in the mounting. Signs of very minor wear to the metal with a few fine scratches, a few fine fissure lines but will not affect the durability of the mount. 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 five AGL reports, stating that the star rubies ranging from 5.33 to 3.44 carats are natural, with no gemmological evidence of heat; also accompanied by three gemmological reports.