Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:5199 – Abū Bakr b. ʿAlī > Umayyah b. Bisṭām > Muʿtamir > Ḥumayd > Anas

The Prophet's ring was made of silver and its stone (Fass) was made of silver too.  

النسائي:٥١٩٩ – أَخْبَرَنَا أَبُو بَكْرِ بْنُ عَلِيٍّ قَالَ حَدَّثَنَا أُمَيَّةُ بْنُ بِسْطَامٍ قَالَ حَدَّثَنَا مُعْتَمِرٌ قَالَ سَمِعْتُ حُمَيْدًا عَنْ أَنَسٍ

أَنَّ النَّبِيَّ ﷺ كَانَ خَاتَمُهُ مِنْ وَرِقٍ فَصُّهُ مِنْهُ  

See similar narrations below:

Collected by Abū Dāwūd, Nasāʾī's Kubrá
abudawud:4216 – Qutaybah b. Saʿīd And ʾAḥmad b. Ṣāliḥ > Ibn Wahb > Yūnus b. Yazīd > Ibn Shihāb > Anas

The signet-ring of the Prophet ﷺ was of silver with an Abyssinian stone.  

أبو داود:٤٢١٦ – حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ وَأَحْمَدُ بْنُ صَالِحٍ قَالاَ حَدَّثَنَا ابْنُ وَهْبٍ أَخْبَرَنِي يُونُسُ بْنُ يَزِيدَ عَنِ ابْنِ شِهَابٍ قَالَ حَدَّثَنِي أَنَسٌ قَالَ

كَانَ خَاتَمُ النَّبِيِّ ﷺ مِنْ وَرِقٍ فَصُّهُ حَبَشِيٌّ  

nasai-kubra:9451 – Abū Bakr b. ʿAlī > Umayyah b. Bisṭām > Muʿtamir > Ḥumayd > Anas

The Prophet's ring was made of silver and its stone (Fass) was made of silver too. (Using translation from Nasāʾī 5199)  

الكبرى للنسائي:٩٤٥١ – أَخْبَرَنِي أَبُو بَكْرِ بْنُ عَلِيٍّ قَالَ حَدَّثَنَا أُمَيَّةُ بْنُ بِسْطَامٍ قَالَ حَدَّثَنَا مُعْتَمِرٌ قَالَ سَمِعْتُ حُمَيْدًا عَنْ أَنَسٍ

«أَنَّ النَّبِيَّ ﷺ كَانَ خَاتَمُهُ مِنْ وَرِقٍ وَفَصُّهُ مِنْهُ»