11 Harrowhouse (1974)

"I owed him $1,000,000. I figured I could clear it up if I did my own laundry and didn't eat again until I was 417 years old" or COMMIT THE MOST DARING ROBBERY EVER IMAGINED.

A small time diamond merchant jumps at the chance to supervise the purchase and cutting of a large first class diamond. But when the diamond is stolen from him, he is blackmailed into pulling off a major heist at the Diamond Exchange, located at 11 Harrowhouse.