- I'm Lieutenant Diamond, police.
- Diamond? Expensive name.

— Leonard Diamond (Cornel Wilde)

5 seconds sound clip from the The Big Combo (1955) movie soundboard.

You can hear this line at 00:45:44.118 in the Blu-ray version of the movie.

Quote context

[...]

- You like antiques, Officer?

- Who can afford them?

- If you're a captain on a boat borne for Portugal, and you keep your mouth shut, you can buy a lot of antiques. Maybe a whole store full.

- Yes, my love. That is what I've been telling you for the last five minutes, but you don't listen.

- Well, be calm, we can change our plans.

- What can I do for you, sir?

- I'm Lieutenant Diamond, police.

- Diamond? Expensive name.

- I won't take much of your time, Mr. Dreyer. I just want to ask you a few questions.

- Please.

- It's about a large purchase you made.

- Yeah, well I have complete books. Every dollar is there in black and white... unless it goes in the red!

- This purchase was made in 1946.

[...]