Musannaf Ibn Abi Shayba 18:122

Abu Bakr narrated to us, he said: Abu Usama narrated to us, from Muhammad ibn ‘Amr, from ‘Umar ibn ‘Abd al-‘Aziz, he said regarding the nose: "The blood money (diyah) is [due for it], and whatever is missing from the nose, then it is according to its proportion."