the tremblant wings of openwork design formed of curving lines of rose cut diamonds and similarly bordered, dotted each with three larger diamonds forming the markings, the tapering body with oval cluster and three graduated single stones, a smaller diamond forming the head and antennae with diamond accent lines and serrated edges to imitate the feathery effect, open cut down collet set in silver and gold, the brooch fitting and screw later added adaption (screw stamped 18K and unclear second mark) Wingspan 8.7cm / 3 7/16''
Height 4.5cm / 1�''
Largest diamond to centre approximately 8.0 x 7.6 x 3.0mm Weight: 21g
Early 20th century emerald and diamond panel brooch, English c.1915, probably by London & Ryder, of garland style, the openwork hexagonal panel centred by a trio of oval cabochon emeralds,
Antique diamond, pearl and purple enamel pansy brooch pendant, American c.1895, to the middle an old European round brilliant cut diamond of approximately 0.75ct,
Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,