Designed as a set of wings suspending a black cultured pearl drop measuring approximately 25.7 by 17.0 mm, set with numerous round diamonds weighing approximately 12.40 carats, the wings decorated with blue enamel 'feathers,' and the reverse of the pearl accented by a round ruby, signed Tiffany Schlumberger, Made in France; 1967. 

Commissioned in 1967, this brooch and its sketch are illustrated in Bijoux de Jean Schlumberger, edited by Franco Mario Ricci, pages 124-125. Please see above for the sketch.

In good condition. The cultured pearl drop has a black body color with strong green and moderate rose overtones. Good luster and minor blemishing in the form of pitting and denting, not evident when worn. The diamonds are approximately G-H color, predominantly VS clarity. One of the feathers displays some enamel loss, and two are somewhat loose, causing them to move a bit when worn. The ruby is medium-deep slightly pinkish red and moderately included. Signed on an applied plaque on the reverse. Dimensions of the brooch including the pearl are approximately 2 3/4 by 2 inches. Scratch numbers 509 and 209. Accompanied by GIA report no. 2155735968 stating that the pearl is bead cultured, saltwater, with indications of treatment. Commissioned in 1967, this brooch and its sketch are illustrated in Bijoux de Jean Schlumberger, edited by Franco Mario Ricci, pages 124-125.
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.Certificates of Authenticity: Various manufacturers may not issue certificates of authenticity upon request. Sotheby's is not under an obligation to furnish the purchaser with a certificate of authenticity from the manufacturer at any time. Unless the requirements for a rescission of the sale under the Terms of Guarantee are satisfied, the failure of a manufacturer to issue a certificate will not constitute grounds to rescind the sale. Gemological Certificates and Reports: References in the catalogue descriptions to certificates or reports issued by gemological laboratories are provided only for the information of bidders, and Sotheby's does not guarantee and accepts no responsibility for the accuracy, terms or information contained in such certificates or reports. Please also note that laboratories may differ in their assessment of a gemstone (including its origin and presence, type and extent of treatments) and their certificates or reports may contain different results.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.

Accompanied by GIA report no. 2155735968 stating that the pearl is bead cultured, saltwater, with indications of treatment.