Ibn 'Abbas (RAA) narrated that, 'A man killed another man during the lifetime of the Prophet (ﷺ), so the Prophet (ﷺ) decided that his Diyah would be 12 thousand (Dirhams).' Related by the four Imams. (DE)
English reference (DE): Book 9, Hadith 1228 (DE)
Arabic reference (DE): Book 9, Hadith 1199 (DE)