Nordsjælland Growing up in Wassakara in the
Yopougon suburb of the Ivorian capital of
Abidjan, Diomande came to the Danish club
FC Nordsjælland through the
Right to Dream Academy in Ghana. He made his professional debut on 19 February 2020 in a
Danish Superliga match against
AC Horsens, starting at
central midfield in the 6–0 home win before being replaced in the 60th minute by
Clinton Antwi. Diomande was subsequently praised by head coach
Flemming Pedersen, who stated that "[h]e covers a large area of the pitch [...] he's a good dribbler and physically strong. When he adjusts to the Superliga, he will also become one of our most important players." He finished his first season as a senior player with 15 total appearances. Diomande scored his first goal for Nordsjælland on 13 September 2020, the first matchday of the
2020–21 season, in a 3–2 loss to
Brøndby IF.
Rangers On 26 January 2024, Diomande joined
Scottish Premiership side
Rangers on a loan with an
obligation to buy deal. He made his debut for Rangers on 6 February 2024, coming on as a 85th minute substitute, replacing
Todd Cantwell during a
Scottish Premiership match at home to
Aberdeen. He scored his first Rangers goal in a 3–0 victory away to
St Johnstone on 18 February 2024. On 15 December 2024, Diomande scored Rangers second goal in the
2024 Scottish League Cup final. ==International career==