Voir FrenchStream. Mamba's Diamond is a 2021 Nigerian action comedy heist film written by Darlington Abuda and directed by Seyi Babatope. The film stars Osas Ighodaro, Gabriel Afolayan and Uchemba Williams in the lead roles. The film is based on a story of couple of amateur thieves who by accidentally steal diamond which is one of the most valuable precious jewels in the world. The film had its theatrical release on 19 March 2021.