Diamond Studs 4: Fred Goldsmith
- Tahun: 2005
- Negara: Hungary
- Aliran:
- Studio: Diamond Pictures
- Kata kunci: compilation, gay pornography
- Direktur: Csaba Borbely
- Pemeran: Adriano Lazarri, Clayton Romero, Dean Edwards, Enrico Harper, James Jordan, Fred Goldsmith
