Russell Simmons, Otis Williams, and Derrick Holmes show off their Banneker watches at the 2014 Diamonds in the Sky event hosted by the Diamond Empowerment Fund (D.E.F.). The event took place during JCK and was attended by many retailers who are supporting the efforts of D.E.F. Diamond Empowerment Jewelry is just one of the many programs that are helping to create awareness for D.E.F. and their mission.