RENE BOIVIN. An amethyst and diamond 'Grappe de raisin' brooch

Designed as a stylised bunch of grapes, the leaf surmount in yellow gold with brilliant-cut diamond detail, suspending an articulated series of collet-set facetted amethysts, circa 1937, French assay marks for gold and partial maker's mark for Leroy Chevrier Huot. Accompanied by a certificate of authenticity from Francoise Cailles. Literature: Cf. Francoise Cailles, Rene Boivin Joaillier, P266 for a brooch of similar design. 10.7cm high, 7.2cm wide

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