Sunan an-Nasa'i 5198
سنن النسائي#5198SahihIt was narrated that Anas bin Malik said:"The ring of the Messenger of Allah [SAW] was of silver and its stone (Fass) was made of silver too
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 ZaiSahih
In-book reference: 48:159