Pair of sapphire and diamond earclips

The 2 cushion-shaped sapphires weighing 13.68 and 11.45 carats, framed by pear-shaped diamonds weighing a total of approximately 5.50 carats, mounted in platinum. 

See AGTA report stating the sapphires are natural corundum, natural color, no indications of heating. They are a medium blue color, one very slightly more evenly saturated than the other, not visible to the casual eye. The diamonds are approximately F-G color and VVS-VS, with a couple of SI examples. 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 AGTA report no. 98011908 stating natural corundum, natural sapphire; no indications of heating.