Wishlist Product Three Stone 2.6 Carat Transitional Cut Diamond Engagement Ring, c.1940 Vintage Bulgari 0.82ct brilliant cut diamond 18k white gold engagemanget ring Swedish 1960s 1.75ct Emerald Ring in 18k White Gold by Gustaf Dahlgren Belle Époque Diamond Bouquet Ring 1860s English enamel and old cut diamond ring George Weil 18K Gold Carved Rock Crystal and Diamond Ring, ca 1970.