CN implies that the jewellery is produced in China, While the letter D means solitaire diamond, indicating that only one diamond is Employed in the ring. Thus, if a hoop has N 925 Cn stamped on it, It's a natural sterling silver ring designed in China. CCD on a hoop https://slot-server-thailand76521.develop-blog.com/44229766/jp88-no-further-a-mystery