Deadly Diamonds (1991)

L.A. gangster Abner Rosner organizes a robbery of one of his own jewelry stores by two thugs Bevo and Thorson to rob $30 million of diamonds. But the thugs lose the diamonds and they end up in the hands of a local prostitute named Desiree, who stumbles upon a hapless messenger boy named Martin who reluctantly agrees to help her try to get out of the city and away from the thugs as well as a corrupt FBI agent also after the diamonds to claim the bounty on their heads for Abner Rosner.