the principal round brilliant to the centre of a diamond cross and diamond circular frame, within the openwork ground white enamel scroll decoration with black enamel detail, from a three stone diamond detachable suspension hoop, mounted in gold and platiDiameter 3.2cm / 1ΒΌ''Weight: 24g
19th century nine stone vari-colour gem brooch, c.1830, of oval form, central sapphire to a surround including sapphire, ruby, catseye, hessonite garnet, aquamarine and amethyst,