CN ensures that the jewellery is made in China, whereas the letter D means solitaire diamond, indicating that just one diamond is used in the ring. Country hallmarks: Some countries have their particular hallmarking units. Pinpointing the state hallmark can offer clues concerning the jeweler’s origin and possible sizing expectations. SETA https://slotpgsoft88765.total-blog.com/5-simple-statements-about-jp88-explained-62297683