CN signifies that the jewelry is made in China, whereas the letter D means solitaire diamond, indicating that only one diamond is used in the ring. S925 ALE 54 refers to a world common for sterling silver jewelry, the place ALE is brief for Algot Enevoldsen, The daddy of PANDORA, https://slorgacorhariini74173.ambien-blog.com/43416198/detailed-notes-on-jp88