Thin stainless steel ring composed of a slightly ridged ring and an oval natural stone on a piece with grain effect contours. Adjustable, the ring can be tightened or enlarged: from size 50 to 58 Ring thickness: 1 mm Ring height: 6 mm Stone dimensions: 3 x 5 mm Guaranteed nickel-free, cadmium-free, and lead-free. Water resistant and does not blacken. EAs many natural stones, their colors may vary from one stone to another.