The slave ship Diligence left the African coast carrying enslaved Africans toward Jamaica. About 450 people had been taken aboard.

Vessel: Diligence; flag: Great Britain; rig: Ship; estimated standardized tonnage: 398.1. People recorded in connection with the voyage: Captain: Hay, John; Investor: Hay, John; Investor: Robertson, W. The voyage began at London on 31 May 1784. Principal recorded place where captives were acquired: Cape Coast Castle (Gold Coast). Principal recorded disembarkation place: Kingston. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.