Wishlist Product A 19th Century 2.10cts emerald and diamond dress ring, second half of the 19th century. 1960s emerald diamond ballerina ring Belle Époque Diamond Bouquet Ring Art Nouveau rose gold diamond ring 1950s W.A. Bolin ring set with turquoise and diamonds. Georges Lenfant bracelet, Paris circa 1970. A 19th century 18 karat rose brooch set with an approx. 5ct blue zircon surrounded by 269 antique, old, table and rose cut diamonds, approximately 5ct in total.