Wishlist Product Vintage Cartier carved tourmaline ring made 1991 Opalbead necklace made in Stockholm 1948 Art Nouveau rose gold diamond ring Three Stone 2.6 Carat Transitional Cut Diamond Engagement Ring, c.1940 A pair of 19th century opal and diamond cluster earrings. Silver over gold Hexagonal art deco ring with a 1.8ct G/vvs trilliant cut diamond, ca 1930.