Diamondmon is a Lesser Digimon whose name is derived from "diamond". It is a tiny Digimon whose body is made of crystals, much like its prior form, CrystalBotamon. Several of these Digimon lives in the caves where diamonds are located, and they feed on sunlight. At night, they came out to play or swim.
- Diamond Dust: Spits out a breath of freezing cold air.