Wishlist Product 1970s vintage ribbed 18karat diamond dome ring 34ct carved emerald, 18k gold ring, by Alexander Tillander ca 1970. 1860s English enamel and old cut diamond ring W.A. Bolin 1960s 18k white gold and diamond ‘zig-zag / chevron’ bracelet. Cow wedding - Rural idyll 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.