Wishlist Product Early Pomelatto, 1970s, 18k gold mariner chain necklace. Art Nouveau rose gold diamond ring A 19th Century 2.10cts emerald and diamond dress ring, second half of the 19th century. Art Deco diamond and ruby ring Swedish 1960s 1.75ct emerald ring 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.