An Art Nouveau turquoise and diamond-set 'Marguerite' ring by Eugène Barral

£800 - £1,200 £1,200

An Art Nouveau turquoise and diamond-set 'Marguerite' ring by Eugène Barral, c.1900, set with a navette-shaped turquoise cabochon within a surround of rose-cut diamonds in silver on gold, with foliate engraved gold shoulders, French control mark, maker's lozenge, size Q 1/2, case by Tadema