, of shaped rectangular form, centred by a principal old round brilliant cut diamond in diamond foliate cluster, to a four-row emerald line ground, channel set with square cut stones, outer line border of single cut diamonds, millegrain set in platinum, signed 'JEC & Co', serial number possibly Z8072, the principal diamond approximately 1.25ctLength 5.3cm / 2 1/8''
Width 1.7cm / 5/8''
Central diamond approximately 6.9 x 6.7 x 4.25mmWeight: 13g
Mid-20th century gold and diamond stylised bouquet of flowers brooch by Cartier, Paris c.1965, with a cluster of nine round brilliant cut diamonds forming flowerheads emerging from a wrapped cone of gold wirework, the gold stems seen at the bottom, signed Cartier Paris, serial number 012691, French gold assaymarks for gold and with the crossed C's workshop mark for Cartier, diamond weight 1.25cts
Vari-coloured gem and diamond set flowerpot brooch by Cartier, London, with four carved flowerheads in amethyst, citrine and garnet, single stone accent diamond forming each stamen, upon diamond line stems, all from a terracotta coloured enamelled flowerpot, mounted in platinum and with 18ct gold fittings, the diamonds of single cut, signed 'Cartier London', serial number 538