 On 28 May 2016, Diamé scored in the Championship play-off final in a 1–0 win against Sheffield Wednesday, giving Hull an immediate return to the Premier League after their relegation in the 2014–15 season.On 3 August 2016, Diamé joined Newcastle United, signing a three-year contract.Diamé scored his first goals for Newcastle when he scored twice in an EFL Cup win against Preston North End on 25 October 2016.