Casino DiamondJacks Casino in Bossier City to close permanently May 18, 2020 By Carl Friedmann DiamondJacks Casino and Hotel in Bossier City, Louisiana is closing its doors permanently. “In light of the sudden, unforeseeable market conditions that have resulted from the COVID-19 pandemic, the difficult decision has been made to close the casino,” said Diana Thornton, Vice President of Finance at DiamondJacks. “We have worked diligently to be a valued member of the Shreveport-Bossier City business community. We are saddened for the loss of a longtime business here in Louisiana.” The casino had struggled to generate business in recent years. Originally opened in 1994, the facility houses more than 800 slots and a handful of table games. DiamondJacks employed around 300 people.