Since the official Pokémon Diamond is a DS game, a GBA version usually refers to one of two things:
. Here is an overview of how to find and create your own "Pokémon Diamond GBA Randomizer" experience. 1. Finding a Diamond GBA Demake Pokémon Diamond pokemon diamond randomizer rom download gba
You do not need a GBA file. You need a . Look for a ROM file named: Pokemon - Diamond Version (USA) (Rev 2).nds Since the official Pokémon Diamond is a DS