"In Diamond Square" is a novel by M. G. Vassanji that explores the lives of a diverse group of characters in Dar es Salaam, Tanzania. The story delves into themes of identity, belonging, and the complexities of multiculturalism, reflecting the rich tapestry of the city's inhabitants. The narrative centers around the titular Diamond Square, a vibrant marketplace that serves as a microcosm of the city's social dynamics. Through the interactions of its characters, the novel highlights the challenges and joys of life in a post-colonial setting, emphasizing the importance of community and connection amidst change.