Sunan an-Nasa'i 5166
سنن النسائي#5166Sahihأَخْبَرَنِي مُحَمَّدُ بْنُ آدَمَ، عَنْ عَبْدِ الرَّحِيمِ، عَنْ زَكَرِيَّا، عَنْ أَبِي إِسْحَاقَ، عَنْ هُبَيْرَةَ، عَنْ عَلِيٍّ، قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنْ خَاتَمِ الذَّهَبِ وَعَنِ الْقَسِّيِّ وَعَنِ الْمَيَاثِرِ الْحُمْرِ .
It was narrated that 'Ali said:"The Prophet [SAW] forbade me to wear gold rings, and Al-Qassi, red Al-Miyathir
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 48:127