Wishlist Product 1980s Sapphire, Emerald and Ruby 18kt Curb Link Bangle Vintage Tiffany & Co. 18k Gold Flat Curb Link Bracelet, c. 1980. 1920/30s Art Deco No heat Sapphire and diamond bar brooch. Bulgari Amethyst Gold Steel Tubogas Bangle, ca 1990.