Diamond Bank Plc., was a Nigerian multinational financial service provider.

[4] Diamond Bank was acquired by Access Bank in December 2018, and announced to complete the transactions of the merger fully in the first half of 2019.

[6][7] The bank provided financial services.

[8] As at June 2017, the bank operated 297 branches in Nigeria.

The other board of directors at the time were Mrs. Caroline Anyanwu, Mrs. Chizoma Okoli, Mr. Chiugo Ndubisi, Mr. Kabir Alkali Mohammed, Mr. Damian Dolland, Mr. Dele Babade, Mr. Christopher Ubosi, and Mr. Idris Mohammed.