CN signifies that the jewelry is made in China, While the letter D stands for solitaire diamond, indicating that just one diamond is used in the ring. As a result, if a hoop has N 925 Cn stamped on it, It's really a natural sterling silver ring made in China. https://casper77-daftar-situs-jud03579.csublogs.com/44166539/jp88-can-be-fun-for-anyone