CN implies that the jewelry is produced in China, While the letter D stands for solitaire diamond, indicating that only one diamond is used in the ring. Hence, if a hoop has N 925 Cn stamped on it, This is a organic sterling silver ring produced in China. CCD on https://casper77deposittanpapoton46802.diowebhost.com/91841571/the-basic-principles-of-jp88