claw set with an amethyst of rectangular cushion form, approximately 44.15ct, within an entwined two row diamond line scrolling border, millegrain set, mounted in platinum, signed 'PARIS CARTIER LONDRES', with a back gallery and fitting probably a later adaptation having maker's mark for Georges Harnichard and French assaymarks, total diamond weight approximately 2.00cts Length 3.6cm / 1 3/8''
Width 3.1cm / 1�''
Amethyst 25.0 x 20.2 x 14.2mm Weight: 21g
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 diamond and onyx bow brooch by Cartier, London c.1920, of double loop design with central line of graduated old brilliant cut diamonds,