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,
rose cut diamond points between, onyx and diamond chevron zig-zag edges, the central tie formed of old cut diamonds flanked by calibre buff top onyx lines, mounted in platinum with white gold fitting, signed 'CARTIER' and 'LONDRES', together with a Cartier case, approximately 5.60cts of diamonds in all, accompanied by IAJA Expertise report no. XP1958-111224 signed by Olivier Bachet & Bernhard Berger declaring that in their opinion this is a 'genuine Cartier item' from Cartier LondonLength 6.5cm / 2 5/8''
Width 1.7cm / 5/8''Weight: 16g
Art Deco sapphire and diamond bow brooch by Mauboussin, Paris, the openwork centre of buckle design featuring an oblong cushion cut sapphire of approximately 1.25ct,
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,