ENOfficial
He said the Prophet’s signet-ring was of silver as was also its stone. Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْهُ أَنَّ نَبِيَّ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ خَاتَمُهُ مِنْ فِضَّةٍ وَكَانَ فَصُّهُ مِنْهُ. رَوَاهُ البُخَارِيّ
sunnah.com