Jul 19th 2012, ID#17202 Pokedex Completion Awards
Like in past Pokemon games you will be rewarded for completing your Pokedex by seeing or catching Pokemon. However, in Pokemon White 2 you are rewarded with actual in-game items as opposed to the diploma of past games.
See ALL Unova Pokedex
Catch ALL Unova Pokedex
Catch ALL National Pokedex