Halo is a stone setting about the ring, a placing that contains diamonds or other cherished stones encircling the leading stone. M on a ring denotes Milor, that's an Italian silver jewellery producer. 925 means that the jewellery is manufactured from sterling silver. If your mystery of “JP 88” persists, https://charliejxkvg.digitollblog.com/36733962/the-jp88-diaries