 Only one violation of the Clean Diamond Trade Act has occurred in which the case was appealed.The main court case referencing the CDTA is United States of America vs Approximately 1,170 Carats Of Rough Diamonds Seized At John F. Kennedy International Airport On January 13, 2004.Filed on July 17, 2007 and decided 2008, the case arouse from Mark Kalisch attempting to import unregistered rough diamonds from Brazil, without a Kimberley Process Certificate.