Platinum, Sapphire and Diamond Ring

The emerald-cut sapphire weighing 20.36 carats, flanked by modified shield step-cut diamonds weighing 1.71 and 1.70 carats, size 5¾.

Accompanied by AGL report no. CS 45268 stating that the sapphire is of Burmese origin, no gemological evidence of heat. and by GRS report no. GRS2011-031173 (Award No. 653) stating that the sapphire is of Burmese origin, GRS type 'royal blue', no indications of thermal treatment. Together with an appenidx to Platinum Award No. 653 stating that the sapphire is a 'Rare combination of over 20 carats, color variety (GRS type 'royal blue') and spared of thermal enhancement.' The sapphire is a medium deep royal blue with strong saturation. There is some minor silk visible to the unaided eye at some angles and a fingerprint-like inclusion is visible under magnification. The diamonds are accompanied by GIA report no. 2131342772 stating that the 1.71 carat diamond is D color, VS1 clarity, and GIA report no. 2131342766 stating that the 1.70 carat diamond is E color, VVS1 clarity. 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.
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:

AGL report no. CS 45268 stating that the sapphire is of Burmese origin, no gemological evidence of heat.

GRS report no. GRS2011-031173 (Award No. 653) stating that the sapphire is of Burmese origin, GRS type 'royal blue', no indications of thermal treatment.  Together with an appendix to Platinum Award No. 653 stating that the sapphire is 'Rare combination of over 20 carats, color variety (GRS type 'royal blue'), and spared of thermal enhancement.'

GIA report no. 2131342772 stating that the 1.71 carat diamond is D color, VS1 clarity.

GIA report no. 2131342766 stating that the 1.70 carat diamond is E color, VVS1 clarity.