Emerald, diamond, onyx and sapphire pendant-necklace, Mauboussin, circa 1925

The pendant set in the center with a cushion-shaped emerald weighing approximately 25.50 carats, framed by calibré-cut emeralds and old European-cut, pear-shaped, marquise-shaped and baguette diamonds, anchored by 2 articulated fringes set with emerald-cut and baguette diamonds, calibré-cut emeralds and onyx segments, surmounted by an onyx ring accented with old European-cut diamonds, French-cut sapphire and calibré-cut emeralds, the pendant bail set with French-cut and cabochon sapphires and old European-cut diamonds, suspended from a black cord completed by a clasp enhanced by onyx segments framed by old European-cut diamonds, the total diamond weight approximately 13.95 carats, mounted in platinum, emerald and pendant bail a later replacement, length 19 inches, signed Mauboussin.  With signed and fitted box.

The cushion-shaped emerald of very slightly bluish green hue, medium tone and moderately included with some minor surface reaching inclusions. The fringe set with 2 emerald-cut diamonds weighing approximately 3.15 carats each, estimated color H-J, estimated clarity VVS-VS. Estimated color of remaining diamonds H-K, estimated clarity VS-SI. Minor wear to oval onyx circlet where pendant bail rubs. Some scratching to the reverse of the pendant, consistent with age and wear. With what appear to be Austrian Import marks, Mauboussin provided the consignor with the pendant bail and the fitted box approximately 6 years ago. Also note that the black cord is modern. 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.

A necklace of similar design dated 1925 is illustrated in Marguerite de Cerval's Mauboussin, p. 93.