An amethyst, diamond, pearl and enamel pendant, by Watherston & Son, late 19th century, centring an oval-shaped amethyst, measuring approximately 25.0 mm x 30.0 mm, within a white and black enamel floral surround, set with alternating old-cut diamonds and pearls, to the diamond and enamel detachable surmount of foliate motif, with original detachable brooch fittings, pearls untested, amethyst weighs approximately 80.00 carats, diamonds approximately 0.50 carat total, mounted in gold, in a fitted case by Watherston & Son, 12 Pall Mall East, London, length 6.5 cm, width 4.5 cm