Necklace Collection : Amethyst, diamond, silver and gold festoon necklace, 21,2 grams, 37 cm original … 15 February 2019 3066 Necklace Collection : Amethyst, diamond, silver and gold festoon necklace, 21,2 grams, 37 cm original length, with modern addition 44 cm, England, circa 1820.