Wishlist Product Art Deco Diamond Platinum Tank Ring 1930s American 2 ct. emerald and diamond platinum Art Déco ring. Vintage Bulgari 'Monete', silver coin, 18 karat gold ring, circa 1990 4.67 ct sapphire and 2.62 ct diamond statement ring 1928 Art Deco East West cluster of old cut diamonds. 1960s emerald and diamond "Starburst" cluster ring Vintage Cartier carved tourmaline ring made 1991