CN means that the jewelry is created in China, While the letter D stands for solitaire diamond, indicating that only one diamond is Employed in the ring. Therefore, if a hoop has N 925 Cn stamped on it, It's really a natural sterling silver ring created in China. CCD on https://casper77agenjudionlineter24623.bloguetechno.com/little-known-facts-about-jp88-72171882