two channel set lines of sugarloaf cabochon sapphires with a triangular cluster at either end set with liens of diamonds an calibre onyx forming a 'key' pattern, the point terminals each set with a triangular cut diamond, mounted in platinum, French assaymark to pin, French workshop mark to pin Length 6.2cm / 2 5/8''
Width 1.4cm / �'' Weight: 12g
Art Deco diamond and gem set brooch modelled as a crusader sailing ship by Mauboussin, Paris, the stylised Man O' War design with Order of Christ cross to main sail,
Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,
Early 20th century yellow sapphire, sapphire and diamond cluster brooch, c.1910, centred by an 11.90ct Ceylon yellow sapphire of old square cushion cut and lemony-yellow hue,