- 27
Cabochon emerald and diamond brooch, Marc Koven, circa 1960
Estimate
5,000 - 7,000 USD
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Description
Designed as chevron of oval cabochon emeralds surmounted by a spray of pavé-set diamond leaves and larger round diamonds, the center supporting a pear-shaped diamond pendant, the total diamond weight approximately 4.75 carats, mounted in platinum and 18 karat gold.
Condition
Although unsigned, this brooch is by Marc Koven.The original owner had a collection of jewels by Koven along with copies of invoices which are no longer available. Koven did not typically sign his work. The emeralds are a medium slightly bluish green color (deeper than indicated by the catalogue illustration) and are translucent. Diamonds are approximately G-I color and VS-SI clarity, with an occasional I clarity stone. 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.
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.
Catalogue Note
Marc Koven, a self-taught jeweler and engraver, emigrated to New York City from Paris in 1940, establishing Koven Frères Jewelry Atelier on East 48th Street. One year later, his creations were being sold at Bergdorf Goodman who used his jewelry in their New York Times advertisements. Throughout the 1940s and 50s, Koven's creations were featured in Harper's Bazaar, Vogue and Town and Country. In 1958, Marc Koven won three awards in the Diamonds USA International Design Competition.