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 18th century diamond flowerhead cluster ring c.1790, probably originally a button, the circular panel slightly domed and set with six pear cut diamond petals,