Diamond Studs 4: Fred Goldsmith
- År: 2005
- Land: Hungary
- Sjanger:
- Ettromsleilighet: Diamond Pictures
- Nøkkelord: compilation, gay pornography
- Regissør: Csaba Borbely
- Cast: Adriano Lazarri, Clayton Romero, Dean Edwards, Enrico Harper, James Jordan, Fred Goldsmith