The natural stone copper ring, designed using mixed broken natural stones, is adjustable. Since there may be different stones in each ring, there may be slight differences between the stones in the ring you receive and the image. The 8 MM sphere cut stone is cetin. We recommend keeping it away from water and chemicals for tarnishing and long-lasting use. Since the product is a natural stone, there may be small differences in tone and shape between the product you receive and the image.