Wishlist Product Three Stone 2.6 Carat Transitional Cut Diamond Engagement Ring, c.1940 VCA 18karat gold twisted rope lovers knot ring, circa 1970 Hexagonal art deco ring with a 1.8ct G/vvs trilliant cut diamond, ca 1930. 1928 Art Deco East West cluster of old cut diamonds. 34ct carved emerald, 18k gold ring, by Alexander Tillander ca 1970. 1990s Cartier Diamond Onyx Ring.