in leafgreen u have to get it from a Nintendo event and in sapphire after u get it in leafgreen u trade it from leafgreen to sapphire
You can only mix records between Pokemon ruby, sapphire and emerald not leafgreen.
trade it from sapphire.
Trade a diglett from firered or leafgreen to sapphire.
Sapphire and Ruby came out before firered and leafgreen but they are compatible with them.
trade from ruby/sapphire
The sapphire orb is in ruby and sapphire, not firered and leafgreen.
You can't. You'd have to trade it from a Pokemon FireRed or LeafGreen game to get it in Sapphire.