Just Ask for Diamond is a 1988 British comedy crime film directed by Stephen Bayly and starring Colin Dale, Saeed Jaffrey and Dursley McLinden.[1] A pair of brothers are paid to take care of a confectionary box, but soon come under pressure from various people seeking its contents. It is based on The Falcon's Malteser, the first book of The Diamond Brothers series; published two years earlier and written by Anthony Horowitz.[2]