Stainless steel ring in the shape of a crown topped with a natural white stone or mother-of-pearl cabochon for women 0424059. The 18mm steel ring is open and slightly adjustable by simple pressure. The head diameter is approximately 17mm. This piece of jewelry is made of natural stone or mother-of-pearl: The shape, color and size may vary. The colors available for the cabochon are pearlescent white, black, aqua green, khaki green, and light pink. Nickel-free, lead-free, cadmium-free.