| Diamonds Are Brittle | |
| Director: | Nicolas Gessner |
| Producer: | Hanns Eckelkamp |
| Starring: | Jean Seberg Claude Rich |
| Music: | Georges Garvarentz |
| Cinematography: | Claude Lecomte |
| Country: | France Italy West Germany |
| Language: | German, French |
| Gross: | $7.3 million[1] |
Diamonds Are Brittle (French: '''Un milliard dans un billard''') is a 1965 French romantic crime film directed by Nicolas Gessner.