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
19th century peridot and diamond lozenge cluster brooch, c.1880, centred by a principal canted rectangular peridot, of step cut, approximately 25.30cts,