CN ensures that the jewelry is manufactured in China, Whilst the letter D stands for solitaire diamond, indicating that just one diamond is used in the ring. For that reason, if a hoop has N 925 Cn stamped on it, It's a purely natural sterling silver ring built in China. https://casper77-situs-agen-judi14679.thezenweb.com/the-smart-trick-of-jp88-that-nobody-is-discussing-75022650