Platinum, Gold, Black Opal, Diamond and Onyx Pendant-Brooch, Cartier, Paris, Circa 1920

Set with a square-shaped black opal measuring approximately 18.7 by 18.7 mm., supporting a pear-shaped cabochon black opal measuring approximately 24.3 by 17.1 by 9.4 mm., accented by old European-cut and single-cut diamonds weighing approximately 3.25 carats, and carved onyx segments, signed Cartier, numbered 5649B, French assay mark.

Set with 53 old European-cut and single-cut diamonds approximately I-J color and SI clarity. The black opals have intense play of color; the lower drop with more violet, blue and purple, and the upper rectangle with more green, blue and violet colors. 3 of the onyx segments have been replaced with chalcedony of light brown hue. In good condition. Signed Cartier on rim of right lobe (facing) and numbered on rim of lower left side of rectangle (facing).
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.