Narrated Abdullah ibn Umar: The Prophet ﷺ used to wear the signet-ring on his left hand, and put its stone next the palm of his hand. Abu Dawud said: Ibn Ishaq and Usamah bin Zaid transmitted from Nafi: "On his right hand".
Hadith Referenceسنن ابي داود / كتاب الخاتم / 4227
Hadith Gradingالألبانی:شاذ والمحفوظ في يمينه | زبیر علی زئی:ضعيف, إسناده ضعيف / شاذ, ابن أبي رواد،خالفه أسامة بن زيد (مسلم : 2091) وابن إسحاق في متن الحديث وھو المحفوظ, انوار الصحيفه، صفحه نمبر 150
Hadith Takhrij« تفرد بہ أبو داود، (تحفة الأشراف: 7766) (شاذ) » (محفوظ اور صحیح دائیں ہاتھ میں پہننا ہے)
Muhammad ibn Ishaq said: I saw as-Salt ibn Abdullah ibn Nawfal ibn Abdul Muttalib wearing the signet-ring on his right small finger. I asked: What is this? He replied: I saw Ibn Abbas wearing his ring in this manner. He put its stone towards the upper part of his palm. Ibn Abbas also mentioned that the Messenger of Allah ﷺ used to wear his signet-ring in his manner.
Hadith Referenceسنن ابي داود / كتاب الخاتم / 4229
Hadith Gradingالألبانی:حسن صحيح | زبیر علی زئی:إسناده حسن, أخرجه الترمذي (1742 وسنده حسن، وحسنه البخاري)