Mariam Diakité was born in Ouragahio, Gôh, south-central Ivory Coast on 11 April 1995.
[4] In the years 2009-2010 at the age of 14-15, she played in the local women's football club ES Abobo.
[3] Discovered through videos, she was helped by the Ivorian coach Clémentine Touré for her remotely selection into the French club Fleury 91 in Fleury-Mérogis.
In September 2021, she went to France, and joined the club to play in the Première Ligue on a two-year contract.
[3][5] In January 2025, Diakité moved to Turkey, and signed a one-and-half-year deal with Fenerbahçe from Istanbul to start playing in the second half of the 2024-25 Super League season.