the claw set amethyst of square cushion form, approximately 17.00ct, 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 1.50cts Length 3cm / 1 1/8''
Width 2.5cm / 1''
Amethyst 15.3 x 15.0 x 9.0mm Weight: 10g
Art Deco aquamarine and diamond leaf cluster clip brooch by Cartier, Paris, of stylised arrowhead design with rectangular cut aquamarines fanning from a central diamond line stem,
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,