CN means that the jewelry is manufactured in China, While the letter D stands for solitaire diamond, indicating that just one diamond is used in the ring. S925 ALE 54 refers to a world conventional for sterling silver jewellery, wherever ALE is short for Algot Enevoldsen, the father of PANDORA, https://baccaratterpercayapastiba36813.webbuzzfeed.com/37301814/not-known-facts-about-jp88