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:4804 – Muḥammad b. Maymūn > Sufyān > ʿAmr > ʿIkrimah Samiʿnāh Marrah > Ibn ʿAbbās

the Prophet ruled that twelve thousand (should be given) as Diyah. (Hahan)  

النسائي:٤٨٠٤ – أَخْبَرَنَا مُحَمَّدُ بْنُ مَيْمُونٍ قَالَ حَدَّثَنَا سُفْيَانُ عَنْ عَمْرٍو عَنْ عِكْرِمَةَ سَمِعْنَاهُ مَرَّةً يَقُولُ عَنِ ابْنِ عَبَّاسٍ

أَنَّ النَّبِيَّ ﷺ قَضَى بِاثْنَىْ عَشَرَ أَلْفًا يَعْنِي فِي الدِّيَةِ  

See similar narrations below:

Collected by Bayhaqī, Suyūṭī
bayhaqi:16181 – Abū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās al-Aṣam > al-Rabīʿ > al-Shāfiʿī Ḥikāyah > Yazīd b. Hārūn > Hishām > al-Ḥasan > ʿAlī

[Machine] Ali paid a blood money of twelve thousand.  

البيهقي:١٦١٨١ – أَخْبَرَنَا أَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو ثنا أَبُو الْعَبَّاسِ الْأَصَمُّ أنبأ الرَّبِيعُ قَالَ قَالَ الشَّافِعِيُّ حِكَايَةً عَنْ يَزِيدَ بْنِ هَارُونَ عَنْ هِشَامٍ عَنِ الْحَسَنِ

أَنَّ عَلِيًّا ؓ قَضَى بِالدِّيَةِ اثْنَيْ عَشَرَ أَلْفًا