Tiffany & Co. - A Belle Epoque Gold, Platinum, Amethyst and Diamond Pendant-Brooch, Circa 1900. Set in the centre with a fancy rectangular star-cut amethyst, within an openwork frame of foliate design set with old mine and old European-cut diamonds, accented by round amethysts, supporting an amethyst pendant, signed Tiffany, with pendant loop. Vintage, Vintage Jewelry, Diamond Jewelry, Antique Jewelry, Fabulous Jewelry, Jewelery, Gold Jewelry, Vintage Jewellery, Gold Platinum