The height of the star depends on the class in which the rider competes and the prize money.
Only when a positive report has been released on the CDI4* by the Foreign Judge can a CDI5* be organized.
A CDI can also be organized as a Nations Cup, well known as a Concours de Dressage International Officiele (CDIO).
This exists of the CDIOU25, CDIOY, CDIOJ, CDIOP, and CDIOCh.
Shows as Aachen, München-Riem and Frankfurt (Germany), Rotterdam (Netherlands), Falsterbo (Sweden), Doha (Qatar), Herning (Denmark), Wellington (USA), Geneva (Switzerland) and Compiegne (France) are prestigious CDI5* shows.