Van Cleef & Arpels, a Belle Epoque enamel and diamond brooch, circa 1925

Van Cleef & Arpels, a Belle Epoque enamel and diamond brooch, circa 1925, the circular brooch of pierced openwork design set with rose-cut diamonds in flowerhead and lozenge settings joined with knife-edge links in platinum and gold, above a green coloured guilloche enamel ground, openwork gold back with matching counter enamel, numbered 25810, with French control marks and maker's lozenge, unsigned, length 3.2cm, in case by Van Cleef & Arpels

Accompanied by a facsimile copy of the original drawing of the brooch with the corresponding number and a note referencing a conversation with Van Cleef & Arpels confirming the brooch was made in 1925 and sold in 1926