
Ember's analysis
- Pacing
- Brisk
- Intensity
- Moderate
- Complexity
- Easy to follow
- Violence
- Moderate
- witty
- irreverent
- propulsive
- vintage crime night
- retro detective marathon
What sets it apart
May contain story progression spoilers
The stolen plans for a machine capable of producing synthetic diamonds motivate the gang's scheme and Lemmy Caution's investigation.
The FBI protects the scientist, the Histris gang steals the plans, and Lemmy travels to Italy to investigate.
The plot combines gang intrigue with fights, a fall into a well, girl scouts, and an orphaned girl under the hero's protection.
Eddie Constantine's Lemmy Caution serves as the film's central investigator and defining franchise figure.
Films like Diamond Machine, and why
Alphaville
shared hard-boiled crime hero, international intrigue, pulpy action, and charismatic lead performance
The Lemmy Caution Files
shared Lemmy Caution character, French crime plotting, and stylized espionage atmosphere
Touchez pas au grisbi
shared 1950s European pulp crime tone, gang conspiracies, fights, and colorful adventure plotting
Movie Details
- Director
- Pierre Chevalier
- Release Date
- 1955-12-29
- Runtime
- 98 min
- Rating
- 3.5 / 10 (6)
Cast
- Eddie Constantine
- Maria Frau
- Roger Hanin
- René Clermont
- François Perrot
- René-Jean Chauffard
- Furio Meniconi
- Luisa Rivelli
- Nadine Tallier
- Irène Tunc
Common questions
- What is Diamond Machine about?
- Lemmy Caution crosses into Italy to untangle a flamboyant gang conspiracy involving stolen plans for a synthetic-diamond machine.
- What is Diamond Machine like to watch?
- Ember's analysis rates the pacing of Diamond Machine as brisk, its intensity as moderate and its storytelling as easy to follow.
- Is Diamond Machine violent?
- Somewhat. Ember rates the violence in Diamond Machine as moderate.
- Which films are like Diamond Machine?
- Films with a similar feel include Alphaville, The Lemmy Caution Files, and Touchez pas au grisbi.
- How long is Diamond Machine?
- Diamond Machine runs 98 minutes.












