Diavolo Gas Fired Pizza Oven – Green The Diavolo Pizza Oven by DeliVita is a gas fired pizza oven that comes in green. The Diavolo’s impressive heating capabilities allow it to reach the desired temperature in just 15 minutes, ensuring you can indulge in a perfectly cooked pizza in 60 seconds! If you love hosting garden parties then the Diavolo is a must have for you. With the Diavolo Oven you can make more than pizza, from savouring Mediterranean vegetables to grilling a mouthwatering juicy steak.