An art deco diamond brooch, circa 1930

Designed as 'un cercle', of pierced geometric form, pavé-set with graduating brilliant-cut diamonds and applied baguette-cut diamond detail, to a hinged opening, diamonds approximately 5.80 carats total, numbered, French assay marks, length 4.2cm. Estimate: £3,000 - 4,000

Footnote: Van Cleef & Arpels invented the 'circle' brooch, which could be clipped to a collar, hat or bag, circa 1930.
Cf: Raulet, Sylvie, Van Cleef & Arpels, New York, 1987, page 179, for design illustrations and a period advertisment for the 'circle'.

Bonhams. Fine Jewellery, 4 Dec 2008. New Bond Street - www.bonhams.com Copyright © 2002-2008 Bonhams 1793 Ltd., Images and Text All Rights Reserved