Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said: The diyah (blood money) of one under a covenant (mu'ahid) and of a dhimmi is the same as the diyah of a Muslim. This is munqati' (has a broken chain).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الديات / 16355