Musannaf Ibn Abi Shayba 18:732

Abu Bakr narrated to us, he said: Yahya ibn Sa’id narrated to us, from Uthman ibn Ghiyath, from Ikrimah and al-Hasan, they both said: The blood money (diyah) of the Jew and the Christian is four thousand, and the blood money of the Magian is eight hundred.