Ibn Tawus (may Allah have mercy on him) narrates from his father; he said: My father had a letter from the Prophet (peace and blessings be upon him) in which was written: "If the nose is cut off from its root, there are one hundred camels as diyah for it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الديات / 16240