of cut-corner rectangular outline, facetted to the pavilion, in a half pearl border with inner and outer row of spaced rose cut diamond collets, the amethyst open set, the pearls and diamonds close set, mounted in silver and gold, the brooch fitting detachable for wear as a pendant from hidden scroll hookLength 3.6cm / 1 7/16''
Width 3cm / 1 1/8''
Amethyst 28.0 x 20.0 x 13.3mmWeight: 21.5g
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,