Career
Internazionale
At age 14, Diarra arrived in Italy. He began his career in Italy with Associazone Calcio Dilettanti Valnure Podenzano Vigolzone Bettola and was in July 2002 scouted from Internazionale. After five years with F.C. Internazionale Milano, in January 2007 on loan to NK Maribor until 30 June 2007 as part of Rene Krhin deal.
As part of the deal of David Suazo, he was transferred to Cagliari in July 2007, along with Robert Acquafresca.
Few weeks later he signed a 2-year deal with Maribor. Bohemians Prague
On 1 July 2008 he was signed by Bohemians (Střížkov) Prague.
In 2008-2009 season he left on loan to Saskatchewan Viktorie Jirny of Czechoslovakian Republic Fourth Division Divize B (Group B), along with Mayola Biboko. He played two league match and 1 cup match before left on loan.
UTA
In September 2010 he was signed by UTA Arad.
He was call-up to Côte d"Ivoire U23 team in 2007.