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 1.25ct Length 5.3cm / 2 1/8''
Width 1.7cm / 5/8''
Central diamond approximately 6.9 x 6.7 x 4.25mm Weight: 13g
Art Deco diamond and gem set brooch modelled as a crusader sailing ship by Mauboussin, Paris, the stylised Man O' War design with Order of Christ cross to main sail,
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 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,