Sunan Ibn Majah 2629
سنن ابن ماجه#2629Hasanحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُعَاذُ بْنُ هَانِئٍ، حَدَّثَنَا مُحَمَّدُ بْنُ مُسْلِمٍ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ جَعَلَ الدِّيَةَ اثْنَىْ عَشَرَ أَلْفًا .
It was narrated from Ibn 'Abbas that :the Messenger of Allah (ﷺ) set the blood money at twelve thousand (Dirham)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniDaif
Muhammad Fouad Abd al-BaqiDaif
Shuaib Al ArnautHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 21:15