Rock crystal, diamond and onyx pendant-brooch, Cartier, circa 1925, and diamond sautoir

The pendant set with old European-cut and single-cut diamonds weighing approximately 10.30 carats, mounted in platinum, signed Cartier, numbered 3571, one diamond missing; the sautoir set with old European-cut and round diamonds weighing approximately 14.75 carats, mounted in platinum, length 30 inches, can become detached and worn as four bracelets, unsigned.

Diamonds are approximately H-J color and VS-SI clarity. Rock crystal shows minor scratching to the surface and is eye clean. Pendant is signed Cartier and numbered on reverse of link attaching the rock crystal to the upper plaque. Fragments of a previous brooch attachment, not presently useable. Necklace not signed, and probably not originally associated with the pendant. Detaches to four 7 inch bracelet segments, all with safety closures. In 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.