Sunan an-Nasa'i 5150
سنن النسائي#5150Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ حَدَّثَنَا عَبْدُ الْوَهَّابِ، قَالَ حَدَّثَنَا خَالِدٌ، عَنْ مَيْمُونٍ، عَنْ أَبِي قِلاَبَةَ، عَنْ مُعَاوِيَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ لُبْسِ الذَّهَبِ إِلاَّ مُقَطَّعًا وَعَنْ رُكُوبِ الْمَيَاثِرِ .
It was narrated from Mu'awiyah that :The Messenger of Allah [SAW] forbade wearing gold unless it was broken (into smaller pieces), and (he forbade) riding on Al-Mayathir
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 ZaiSahih
In-book reference: 48:111