, 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
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 emerald and diamond panel brooch, English c.1915, probably by London & Ryder, of garland style, the openwork hexagonal panel centred by a trio of oval cabochon emeralds,
Gold and diamond bird clip brooch by Cartier, Paris, the kookaburra type bird with long tail feathers modelled perched upon a rod, in feather-textured gold with chased and engraved and finish,
Late 18th and early 19th century foiled amethyst suite, c.1800, comprising a necklace with cross pendant, a pair of bracelets, a pair of pendant earrings and a coronet shaped brooch,