The limestone and marble chosen by our expert artisans for this stone medallion set the Celina design apart. The all natural beauty of these stones complement the handcrafted design and lines. Add this rich and elegant piece to your home or business for an impression that is sure to last.-Shown in in Jerusalem Gold limestone, Emperador Dark marble and Emperador Light marble.-Unmounted (3/8" overall thickness, mesh backing, ungrouted).-Unmounted stone medallions and decos are manufactured to be easily installed into a 3/8". to 1/2" stone floor. They are supplied at an overall 3/8" thickness and secured with a fiberglass mesh backing. Unmounted stone medallions and decos are provided un-grouted unless otherwise specified.