Beautiful Estate 9K Yellow Gold Huge 22 carat Natural Smokey Topaz Heart Ring. This beautiful ring is solid 9K stamped 375, 9K and a couple other UK hallmarks. Ring is a size 6.75 - 7. Huge 22 carat Smokey Topaz Natural gemstone measures 20 mm L x 20 mm W x 14 mm (high). Ring weighs 9.2 grams. ...