Wishlist Product 1980s Sapphire, Emerald and Ruby 18kt Curb Link Bangle A 19th century 18 karat rose brooch set with an approx. 5ct blue zircon surrounded by 269 antique, old, table and rose cut diamonds, approximately 5ct in total. Bulgari “Bvlgari Bvlgari” Tubogas Bracelet with Black Onyx, c. 1980 Vintage Tiffany & Co. 18k Gold Flat Curb Link Bracelet, c. 1980.