STAR SAPPHIRE AND DIAMOND RING

Centring on a star sapphire weighing 15.00 carats, surrounded by circular-cut diamonds, mounted in platinum. Ring size: 5½

Colour and Clarity: According to GRS report, the star sapphire is natural, of Sri Lankan origin, with no indications of thermal treatment. Please refer to the report for details. In our opinion, the star sapphire is of medium blue colour, with clear asterism (star effect) upon spot lighting. Under 10x loupe, there are some fingerprints and crystal inclusions mostly on the side. Round diamonds together weighing approximately 0.50 carat, are about G to H colours, VS to SI clarity. Condition: Karat white gold ring mount, with signs of normal wear to the shank, overall in 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 GRS report numbered GRS2013-108295, dated 9 October 2013, stating that the 15.00 carat star sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.