CN signifies that the jewellery is produced in China, Whilst the letter D stands for solitaire diamond, indicating that only one diamond is Utilized in the ring. As a result, if a ring has N 925 Cn stamped on it, This is a pure sterling silver ring built in China. https://agenjudionlineterlengkapd11000.nizarblog.com/37073739/little-known-facts-about-jp88