Wishlist Product Art Deco Diamond Platinum Tank Ring Vintage Bulgari 'Monete', silver coin, 18 karat gold ring, circa 1990 Cartier ‘Délices de Goa’ necklace decorated with turquoises, amethysts and diamonds 1970s Italian lapis and coral a contrariè ring. 1930s American 2 ct. emerald and diamond platinum Art Déco ring.