The 22-year-old attacking midfielder has joined Padideh from Armenian club Shirak Gyumri.
Diarrassouba, who has also played in U-19 Ivory Coast football team, penned a one-year contract with Padideh for an undisclosed fee.
Diarrassouba will undergo medical test in Tehran and likely play against Siahjamegan in Mashhad derby on Sunday.
Padideh defeated Sepahan 1-0 in the first week of the Iran Professional League on Tuesday.