Sunan an-Nasa'i 5287
سنن النسائي#5287SahihIt was narrated that 'Ali said:"The Messenger of Allah [SAW] forbade me to wear (a ring) on this finger," and it was on the middle finger and the one next to it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 48:248