These Seraphinites have 1 side polished, and the rest of the stone is natural. There are 3 sizes available. Please select the one you prefer from the drop-down box. The first stone is 1" in length, 0.75" in width and weighs approximately 0.4 oz. The second stone is 0.75" in length, 5/8" in width and weighs approximately 0.4 oz. The third stones are 5/8" in length, 0.5" in width and weighs approximately 0.3 oz.