An early 19th century amethyst pendant necklace and a late 19th century amethyst and half-pearl brooch

An early 19th century amethyst pendant necklace and a late 19th century amethyst and half-pearl brooch
The necklace composed of oval-cut amethysts in cannetille settings to a chased belcher-link two-row back-chain suspending a similarly-set cross pendant, circa 1830, necklace 42.5cm long, pendant 7.2cm long; the brooch an oval amethyst and half-pearl cluster, mounted in gold, 3.3cm long
Partially illustrated (2)