, 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
Magnificent sugarloaf sapphire, emerald and diamond arrowhead cluster clip brooch-pendant by Charlton, New York, of elongated outline, the principal Burma sapphire 12.18ct,
Late 19th century Austrian sapphire, diamond and natural drop pearl cluster pendant brooch, Vienna c.1890, centred by a principal oblong cushion cut Ceylon sapphire of 9.18ct,
Late 18th century cushion cut diamond five petal flowerhead brooch, c.1790, centred by a principal slightly hexagonal old cut diamond in border of smaller cushion cuts,