CN ensures that the jewellery is made in China, While the letter D stands for solitaire diamond, indicating that only one diamond is used in the ring. Therefore, if a ring has N 925 Cn stamped on it, It's really a all-natural sterling silver ring built in China. CCD on https://dallasumcrg.blogadvize.com/44737616/5-tips-about-jp88-you-can-use-today