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 petite nephrite and diamond clip brooch by Cartier, New York, the short arrowed form with a central channel of dome-buffed rectangular nephrite,
Late 18th century garnet collet suite, c.1800, comprising a necklace with pendant; pair of bracelets; pair of pendant earrings; a coronet shaped brooch converting to hair comb; three line brooches; a round cluster brooch and a twin circular cluster fastener jewel,
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,