CN signifies that the jewellery is produced in China, While the letter D stands for solitaire diamond, indicating that only one diamond is used in the ring. Region hallmarks: Some nations have their particular hallmarking methods. Pinpointing the place hallmark can provide clues about the jeweler’s origin and opportunity sizing benchmarks. https://casper77-situs-game-onlin91123.blog-eye.com/37241947/jp88-an-overview