box collet set with 30 graduated old round brilliant cut diamonds, mounted in platinum, signed 'BOUCHERON PARIS', workshop mark appears to be for FB, French assaymarks, approximately 11cts in all Length 17.3cm / 6�''
Width at centre 0.6cm / �'' Weight: 22g
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,
Latticework strap bracelet by Cartier, Paris, the openwork mesh with textured finish, applied polished circle dots along the middle, testing as 18ct gold,