Fine Sapphire and Diamond Ring

Centring on a cushion-shaped sapphire weighing 11.21 carats, flanked on each side by a shield-shaped diamond, the shank set throughout with circular-cut diamonds, the diamonds together weighing approximately 1.20 carats, mounted in platinum. Ring size: 6

Colour and Clarity: According to both Gübelin and AGL reports, the sapphire is natural, of Kashmir origin, with no indications of heating. Gübelin appendix further states that this sapphire "possess a richly saturated and homogeneous colour, combined with a high degree of transparency, and a finely proportioned cut......Such a combination of characteristics is rare in natural Kashmir sapphires of this size." AGL report also rated the Total Quality of this sapphire as "Exceptional - Excellent". Please refer to the reports and appendix for more details. In our opinion, the sapphire is of intense velvety blue colour, eye clean. Under 10x loupe, there is minor zoning but not noticeable to naked eyes in normal lighting. Two diamonds on side together weighing approximately 1.05 carats, are about E to F colours, VS clarity. Other tiny diamonds on shank are about similar quality. Condition: Platinum ring mount, cannot be resized and currently is American size 6, in mint 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 Gübelin and AGL reports numbered 0907572 and CS 40052, dated 2 February 2009 and 9 September 2008 respectively, stating that the 11.21 carat sapphire is natural, of Kashmir origin, with no indications of heating. The Gübelin Appendix further states that this sapphire 'possesses a richly saturated and homogeneous colour, combined with a high degree of transparency, and a finely proportioned cut. Such a combination of characteristics is rare in natural Kashmir sapphires of this size.' The AGL report grades the sapphire as 'Exceptional - Excellent' in the Total Quality Integration Rating.