Platinum, Onyx and Diamond Brooch, Circa 1925

Of openwork lozenge shape set with carved onyx segments, within a ground of old European-cut and single-cut diamonds weighing approximately 5.50 carats, two diamonds missing.

Diamonds are approximately G-I color and VS-SI clarity, two small diamonds missing. One onyx panel cracked through, but remains stable in its mounting; otherwise in good condition. The pinstem is possibly later added. The sides partially articulated.
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.