CN implies that the jewellery is produced 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 normal for sterling silver jewellery, exactly where ALE is brief for Algot Enevoldsen, the father of PANDORA, https://donovanwlwis.blazingblog.com/36801951/the-smart-trick-of-jp88-that-nobody-is-discussing