Wishlist Product Vintage Hermès Paris flexible 18 karat gold ring 1930s American 2 ct. emerald and diamond platinum Art Déco ring. Three Stone 2.6 Carat Transitional Cut Diamond Engagement Ring, c.1940 1928 Art Deco East West cluster of old cut diamonds. Art deco platinum diamond and sapphire ring Art deco no heat Sapphire ring Art Deco Diamond Platinum Tank Ring 1960s emerald diamond ballerina ring