A Regency amethyst and aquamarine parure, early 19th century, comprising a necklace set with

A Regency amethyst and aquamarine parure, early 19th century, comprising a necklace set with graduated oval-shaped amethysts in pierced repousse surrounds separated with pear-shaped aquamarines within cannetille surrounds in yellow gold, the principal cluster with a pendant loop, length 46cm, with a matching amethyst and aquamarine brooch/pendant within elaborate foliate and cannetille surround suspending three articulated amethyst drops, length 8.2cm and a pair of matching amethyst drop earrings, length 4.6cm, later post fittings, in fitted leather case