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,
the five petals of openwork navette form with central line of graduated collet diamonds to a spaced two row line border of small cushion cut, all close collet and cut down collet set in silverWidth: 6.8cm / 2 5/8''
Central diamond spreads 7.3 x 5.3mmWeight: 31g
Antique diamond and emerald heart pendant-brooch, c.1900, centred by an inverted pear shaped Colombian emerald to a pave set old brilliant cut diamond ground, open cut down collet set in platinum and yellow gold to back, wave pierced scroll gallery, hinged pendant loop to verso and with detachable brooch fitting accompanied by AGL report no. 1124775 giving a Colombian origin opinion for the emerald with insignificant oiling
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,