claw set with an amethyst of rectangular cushion form, approximately 44.15ct, 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 2.00cts Length 3.6cm / 1 3/8''
Width 3.1cm / 1�''
Amethyst 25.0 x 20.2 x 14.2mm Weight: 21g
19th century three stone diamond ring, c.1890, set with graduated old brilliant cut diamonds, small single cut diamond accents in between, claw set to a scroll carved gallery and fluted shoulder, mounted in gold, inscribed 633, total diamond weight approximately 2.75cts (the central stone being approximately 1.30ct)
Pair of antique moss agate and diamond cufflinks, French c.1900, circular panels with dendritic agate centres bordered by rose cut diamonds, close cut down collet set in silver and gold with sprial fluted backs, figure-of-eight bar connectors