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 Belle Époque Diamond Bouquet Ring Art deco no heat Sapphire ring 1928 Art Deco East West cluster of old cut diamonds. Three Stone 2.6 Carat Transitional Cut Diamond Engagement Ring, c.1940