'Ali ibn Abi Talib said (may Allah be well pleased with him):
“The Prophet (Allah bless him and give him peace) used to wear his signet ring on his right hand.”
Hammad ibn Salama said: "I saw Ibn Abi Rafi' wearing a signet ring on his right hand, so I asked him about that and he said: 'I saw 'Abdu llah ibn Ja'far wearing a signet ring on his right hand', and 'Abdullah ibn Ja'far…
Ash-Shama'il Al-Muhammadiyah · Book 12 · Hadith 99
حَدَّثَنَا مُحَمَّدُ بْنُ حُمَيْدٍ الرَّازِيُّ، قَالَ: حَدَّثَنَا جَرِيرٌ، عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ، عَنِ الصَّلتِ بْنِ عَبْدِ اللهِ، قَالَ: كَانَ ابْنُ عَبَّاسٍ، يَتَخَتَّمُ فِي يَمِينِهِ، وَلا إِخَالُهُ إِلا قَالَ: كَانَ رَسُولُ اللهِ صلى الله عليه وسلم يَتَخَتَّمُ فِي يَمِينِهِ.
‘As-Salt ibn 'Abdi’llah said: “Ibn 'Abbas used to wear a signet ring on his right hand, without adornment, and he said: 'Allah’s Messenger (Allah bless him and give him peace) used to wear a signet ring on his right hand…
Ibn 'Umar said:
"The Prophet (Allah bless him and give him peace) chose a signet ring of silver, and put its stone in the part close to the
palm of his hand. On it he engraved: “Muhammad is the Messenger of Allah,” and h…