No, you must wait until you have successfully completed your course and this has been reported to the Home Office by the University.
You will receive an email from the Visa and Immigration team once your course completion has been reported to the University.
If you do not receive an email from the Visa and Immigration team confirming the report has been made within one month of receiving confirmation of your award from the University, or if you have less than one month remaining on your current visa, you should contact us for advice. Do not apply for the Graduate visa until you have received advice the Visa and Immigration team.