minecraft:diamond_helmetDiamond Helmet is a vanilla piece of head armour.Data valuesIDminecraft:diamond_helmet Other pages in this wikiAcacia BoatAcacia Boat with ChestAcacia DoorAmethyst ShardAppleArrowBaked PotatoBambooBamboo DoorBamboo RaftBamboo Raft with ChestBeetrootBeetroot SeedsBellBirch BoatBirch Boat with ChestBirch DoorBlaze PowderBlaze RodBoneBone MealBookBook and QuillBottle o' Enchanting