CN implies that the jewellery is manufactured in China, Whilst the letter D means solitaire diamond, indicating that only one diamond is Employed in the ring. For that reason, if a hoop has N 925 Cn stamped on it, It's a pure sterling silver ring produced in China. CCD on https://garrettjvfpy.thekatyblog.com/35360366/not-known-factual-statements-about-jp88