Art Nouveau gem-set foliage panel ring by Henri Dubret, £4200 at Dawsons.

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Dubret was greatly influenced by René Lalique as can be seen from this design, c.1905, with its navette-shaped head enamelled with pliqué-a-jour ivy leaf motifs, centred with a cushion-cut citrine and flanked by single-cut diamonds on the shoulders.

Struck with a French eagle head mark (indicating 18ct gold) it had both a lozenge maker’s mark and the name H Dubret to the shank.

More affordable than a Lalique jewel, it nevertheless passed its £800-1200 estimate on February 22 to bring £4200.