Diamond brooch, Cartier, Paris, circa 1915

The modified rectangular plaque of Indo-Persian style set with a central marquise-shaped diamond weighing approximately 1.85 carats, flanked by 2 pear-shaped diamonds weighing approximately 1.35 carats, completed by numerous old European-cut and single-cut diamonds weighing a total of approximately 10.00 carats, mounted in platinum, signed Cartier, Paris, Londres, New York, numbered 343, assay marks. With signed box. 

The center marquise-cut diamond is approximately D-E color and SI2 clarity. The additional diamonds are approximately F-I color and SI-I clarity. A spot of darkened solder at a repaired area visible from the front, and a couple of other spots on the reverse, not visible from the front-on view. Signed Cartier Paris London New York on the rim at the top peak of the brooch and numbered 345 on the flanking shoulder of the rim. In good condition overall.
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.