CN means that the jewellery is created in China, Whilst the letter D means solitaire diamond, indicating that only one diamond is used in the ring. Therefore, if a hoop has N 925 Cn stamped on it, it is a purely natural sterling silver ring manufactured in China. CCD on https://slotgacorcasper7710987.howeweb.com/37571407/rumored-buzz-on-jp88