That when Mu'awiyah went on Hajj, he gathered together a group of the Companions of the Messenger of Allah [SAW] at the Ka'bah and said to them: "I adjure you by Allah, did the Messenger of Allah [SAW] forbid wearing gold?" They said: "Yes." He said: "And I bear witness to that."
أَنَّ مُعَاوِيَةَ عَامَ حَجَّ جَمَعَ نَفَرًا مِنْ أَصْحَابِ رَسُولِ اللَّهِ ﷺ فِي الْكَعْبَةِ فَقَالَ لَهُمْ أَنْشُدُكُمُ اللَّهَ أَنَهَى رَسُولُ اللَّهِ ﷺ عَنْ لُبْسِ الذَّهَبِ قَالُوا نَعَمْ قَالَ وَأَنَا أَشْهَدُ خَالَفَهُ حَرْبُ بْنُ شَدَّادٍ رَوَاهُ عَنْ يَحْيَى عَنْ أَبِي شَيْخٍ عَنْ أَخِيهِ حِمَّانَ