the openwork cartouche with a principal round brilliant cut to centre, set around with baguettes, marquises and round brilliants forming C scrolls, a swag, a vase-type foot and a fan-like cluster surmount, mounted in platinum, stamped 'JC' and 'PT950', together with a Cartier case Width 4cm / 1 5/8'' Weight: 15g
Art Deco petite nephrite and diamond clip brooch by Cartier, New York, the short arrowed form with a central channel of dome-buffed rectangular nephrite,
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,