The slave ship Diamond departed from Jamaica after the slave-trading stage of the voyage.

Vessel: Diamond; flag: Great Britain; rig: Ship; estimated standardized tonnage: 211. People recorded in connection with the voyage: Investor: Benson, Moses; Captain: Brancker, P; Investor: Brancker, P; Investor: Benson, Ralph; Captain: Jameson, William; Investor: Jameson, William. The voyage began at Liverpool on 22 June 1804. Principal recorded place where captives were acquired: Lagos, Onim (Bight of Benin). Principal recorded disembarkation place: Kingston. Recorded outcome: Voyage completed as intended.