Sapphire and Diamond Ring | 26.08克拉 天然「緬甸皇家藍」未經加熱藍寶石 配 鑽石戒指
Property Of An Important Private Collector
Sapphire and Diamond Ring
26.08克拉 天然「緬甸皇家藍」未經加熱藍寶石 配 鑽石戒指
Set with a cushion-shaped sapphire weighing 26.08 carats, between two trapeze-shaped diamonds, mounted in platinum, size 6.
Accompanied by SSEF report no. 81933, dated 25 September 2015, stating that the sapphire is of Burmese origin, with no indications of heating; also accompanied by an appendix letter stating that '... the sapphire exhibits an attractive saturated blue colour and a very fine purity... Its saturated blue colour, poetically also described as 'royal blue' in the trade... A natural sapphire from Burma of this size and quality is very rare and exceptional and thus can be considered a true treasure of nature.'
Further accompanied by Gübelin report no. 0604806, dated 6 April 2006, stating that the sapphire is of Burmese origin, with no indications of heating and that the colour variety may also be called “royal blue” in the trade.
Accompanied by report no. 81933 dated 25 September 2015 from SSEF stating that the sapphire is of Burmese origin, with no indications of heating; also accompanied by an appendix letter stating that the sapphire... also described as 'royal blue' in the trade... typical and characteristic for the finest sapphires of Mogok, Burma. Further accompanied by Gübelin report no. 0604806, dated 6 April 2006, stating that the sapphire is of Burmese origin, with no indications of heating and that the colour variety may also be called "royal blue" in the trade. For further details, please refer to reports.
Stamped PT950 for platinum. Sapphire is medium blue colour, of strong saturation. There are some typical inclusions, few tiny nicks, not noticeable when worn. Diamonds estimated to weigh a total of approximately 1-1.5cts, are mostly E-G colour, on average VS clarity, as graded and gauged in the mount. Metal shows signs of normal wear. 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.