´It was narrated that Ibn 'Umar said:` "The Messenger of Allah [SAW] took a ring of gold and put it on, and the people started to wear gold rings too. The Messenger of Allah [SAW] said: 'I used to wear this ring, but I will never wear it again.' Then he threw it away, and the people threw their rings away."
Hadith Referenceسنن نسائي / كتاب الزاينة (من المجتبى) / 5277
´It was narrated that Ibn 'Umar said:` "The inscription on the ring of the Messenger of Allah [SAW] was: Muhammad Rasul Allah (Muhammad the Messenger of Allah).'"
Hadith Referenceسنن نسائي / كتاب الزاينة (من المجتبى) / 5278
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح
´It was narrated from Anas that :` The Prophet [SAW] put on a silver ring with and Ethiopian stone (Fass), on which the inscription was: "Muhammad Rasul Allah."
Hadith Referenceسنن نسائي / كتاب الزاينة (من المجتبى) / 5279
´It was narrated that Anas said:` "The Messenger of Allah [SAW] wanted to write to the Romans, and they (the Companions) said: 'They do not read any letter unless it has a seal.' So he took a ring of silver and it is as if I can see its whiteness on his hand, and engraved on it (were the words): 'Muhammad Rasul Allah.'"
Hadith Referenceسنن نسائي / كتاب الزاينة (من المجتبى) / 5280
´It was narrated that Anas said:` "The Messenger of Allah [SAW] said: 'We have had a ring made with an inscription, and no one else should copy this inscription.'"
Hadith Referenceسنن نسائي / كتاب الزاينة (من المجتبى) / 5283
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم
Hadith Takhrij«صحیح مسلم/اللباس 12 (2092)، سنن ابن ماجہ/اللباس 29 (3640)، (تحفة الٔاشراف: 999)، مسند احمد (3/290) (صحیح)»