CN ensures that the jewelry is produced in China, While the letter D means solitaire diamond, indicating that just one diamond is used in the ring. Thus, if a ring has N 925 Cn stamped on it, It is just a all-natural sterling silver ring designed in China. CCD on https://johnathanrdpzm.wssblogs.com/36711790/not-known-factual-statements-about-jp88