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
Later 19th century cushion cut diamond cluster flower pendant-brooch, c.1890, in the manner of the mid-18th century style, centre stone approximately 3.00ct,
Early 20th century yellow sapphire, sapphire and diamond cluster brooch, c.1910, centred by an 11.90ct Ceylon yellow sapphire of old square cushion cut and lemony-yellow hue,