A Victorian amethyst, sapphire, peridot and pearl pendant/brooch, central pear shaped amethyst

A Victorian amethyst, sapphire, peridot and pearl pendant/brooch, central pear shaped amethyst within a cut down setting, approximately 28 x 13.4mm, estimated approximate weight 18.80ct, drilled and set with a seed pearl, surrounded by a border of round faceted sapphires and round faceted peridots, surmounted by a 4.3mm pearl and a bow shaped pendant/brooch fitting, set with a central round faceted amethyst and graduating round faceted sapphires (two lacking), length 5.7cm, width 3cm, unmarked, tested as 18ct gold and silver, weight 21.4g