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
19th century emerald and diamond openwork scroll knot brooch, French c.1880, the central upright figure-of-eight set with cushion cut diamonds, entwined by a looping line of rectangular cut emeralds, open set in gold, French gold assaymark and partial workship mark to pin, pendant hooks to verso, approximately 3.45cts diamonds in all, approximately 6.00cts of emeralds
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,