buy an action replay (or borrow it if someone you know has one) then get "poke mod" otherwise known as "Pokemon modifier" and find the Pokemon you want.
i dont because i dont see lots of pkemon diamond
the Pokemon in diamond are sinnoh Pokemon i suggest http://Pokemon.marriland.com/diamond_pearl/pokedex to see all of them
The only way you can see all the Pokemon on diamond is by going into the GTS and global trade different Pokemon.
you have to catch all of the pokemon in diamond or SEE all of the pokemon
A Pokemon
The Pokemon you see do not go in your pokedex.
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No, you cannot see every Pokémon in the National Dex in Pokémon Diamond however you can see every Pokémon in the regional Sinnoh Dex in Pokémon Diamond.
for diamond and pearl there are 150 Pokemon u need to see . in plat nium u neeed to see 210 Pokemon.
You see it in the Pokemon league The champion has it
You cannot see it in the wild in Pokemon Diamond; you have to transfer it from FireRed/LeafGreen.
u cant see them u see white sparkels and that's where the Pokemon r