Wishlist Product Art Deco diamond and ruby ring 17ct sapphire ring by Sterlé, ca 1960 Swedish 1960s 1.75ct emerald ring Art Deco Diamond Platinum Tank Ring Vintage Bulgari 0.82ct brilliant cut diamond 18k white gold engagemanget ring Art deco platinum diamond and sapphire ring 1930s American 2 ct. emerald and diamond platinum Art Déco ring. Victorian opal and diamond five stone ring. Hexagonal art deco ring with a 1.8ct G/vvs trilliant cut diamond, ca 1930.