the two sails each formed of calibre cut citrine, diamond set scrollover top, the mast set with two slender baguette diamonds, the upper point supporting a pennant flag, the hull formed of a carved polished onyx edged to top and side by rose cut diamonds, similar rose cuts to the line of scrolling waves below, millegrain set in platinum and 18ct white gold, marked 'Pt. OR GRIS 18Ct' snd with a possible maker's mark Length 3cm / 1�''
Height 2.7cm / 1 1/16'' Weight: 7g
Art Deco petite nephrite and diamond clip brooch by Cartier, New York, the short arrowed form with a central channel of dome-buffed rectangular nephrite,
Early 20th century diamond and onyx bow brooch by Cartier, London c.1920, of double loop design with central line of graduated old brilliant cut diamonds,
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,