millegrain box collet set with an articulated line of 43 old brilliant-cut diamonds, to a concealed clasp, mounted in platinum and 18ct white gold, signed 'Cartier Paris', serial number 3090, French workshop mark for Henri Picq, French assaymark, approximately 6.60cts of diamonds in all, accompanied by IAJA Expertise report no. XP2396-260625 signed by Olivier Bachet declaring that in his opinion this is a genuine Cartier item from Cartier Paris, special order, 1911 Length 17.8cm / 7''
Width 0.4cm / 2�/16'' Weight: 19.5g
Early 20th century single stone sapphire, pearl and diamond pendant by Cartier, Paris c.1910, workshop mark of Henri Picq, together with a diamond set necklace, the pendant set with a round cut Ceylon sapphire 14.65ct,
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,