Arizona Mined Turquoise Ring This handmade, size to order ring, features a Genuine Arizona Mined Turquoise stone bezel mounted on a 925 Sterling Silver Daisy Flower pattern band. The band is 10.5 mm wide (appx. 1/2").Average rings are 2 to 2.5mm wide. With wider bands such as this it is generally advised to increase the ring size by 1/2 size. Only available in sizes 7, 8 and 9. Oxidized to a Vintage Silver finish. Ring sizer included. Shipped in gift box. With the Sleeping Beauty mine long closed, American Mined Arizona Turquoise, mined in nearby Arizona regions, offers the same classic sky-blue hue and minimal matrix. Turquoise is one of the birthstones for December.