Sahih Muslim
The Book Pertaining to Clothes and Decoration (Kitab Al-Libas wal-Zinah)
Book Number: 024 / Hadith Number: 5219
Anas b. Malik reported: I saw one day on the finger of Allah's Messenger (may peace be Upon him) a silver ring; so the people also got silver rings made and wore them Then Allah's Apostle (may peace be upon him) discarded his ring, and the people also discarded their rings.