- Country: Italy, Switzerland, Turkey
- Genres: Action, Adventure, Crime
- Release: 1984-09-01
- Director: Sergio Bergonzelli
- Writers: Daniel Saunier
- Language: English | French | Italian | German
- Stars: Lorenzo Bonaccorsi , William Berger , Gordon Mitchell , Gordon Mitchell , Jack Brown , Jessie Morgan , Daniel Saunier , Oya Demir , Roland Carey , Lily Palabay , Henri Cherbit
- Runtime: 77 min
- Awards: N/A
- AKA: Unexpected Appointment: Cursed Diamonds (Turkey) , Beklenmeyen Randevu: Belalı elmaslar (Turkey) , Il mare di diamanti (Italy) , Diamanti insanguinati (Italy) , Diamond Connection (Switzerland, Swiss Confederation) , SOS - diamantia: Thanasimo kynigi (Greece) , The Diamond Connection: Diamanti che scottano (United Kingdom) , The diamond connection (Sweden) , Diamond Connection
- Plot: Crashed and sunken in a murky sea, a passenger plane had a very special package... a briefcase full of diamonds. These illegally acquired and transported missing diamonds become an irresistible challenge to a few interest groups. They will kill, deceive, and plot to capture the diamonds for themselves.
- IMDB:tt0243217
Diamond Connection Cast · · · ALL
Sergio Bergonzelli
Director
William Berger
Inspektor
Gordon Mitchell
Abdul Pascha
Barbara Bouchet
Karen