The Dallas Diamonds were a team in the Women's Professional Basketball League (abbreviated WBL) from 1979 to 1981 and the Women's American Basketball Association abbreviated WABA) in 1984.
The star of both incarnations of the team was Nancy Lieberman, an Olympic medalist and former all-American.
The new WBL team was popular in Dallas and one time had a playoff game crowd that outdrew the new NBA team, the Dallas Mavericks.
Greg Williams coached both teams. In the 1980-81 season, the team went 27-9 and he was named WBL Coach of the Year. After working at Southern Methodist University, he was named head coach of the WABA Dallas Diamonds. With his leadership, the team posted a 19-2 record. The team was the league champion and Williams was named WABA Coach of the Year.
The WABA folded after a single season.