Villager trading in Minecraft: professions, workstations, best trades
enchanted Diamond Leggings (19–33 emeralds) and Diamond Boots (13–27) at Expert, Diamond Helmet (13–27) and Diamond Chestplate (21–35) at Master.

The Diamond Chestplate is made from eight diamonds; it gives 8 armor points, 2 toughness and lasts 528 hits. As the chest piece, this armor gives more protection than any other part of a set. This piece works like every other chestplate; the Iron Chestplate page explains the chest slot.
It is made with the Crafting Table from 8 × Diamond.
8 × Diamond → Diamond Chestplate
// Slots with several items cycle through every accepted option.
enchanted Diamond Leggings (19–33 emeralds) and Diamond Boots (13–27) at Expert, Diamond Helmet (13–27) and Diamond Chestplate (21–35) at Master.
Enchanted Diamond Chestplate
At the Crafting Table: 8 × Diamond give 1 × Diamond Chestplate. It can be found as loot in Trial Chambers, Bastion Remnant, Woodland Mansion and End City. Sold by Villager: Armorer (Master).
It is the armor piece with the most protection, worn in the chest slot. It is an ingredient in one recipe: Netherite Chestplate.
528 durability points: each use removes one, and it breaks when none are left. Mending and Unbreaking can extend it.
No: only one per inventory slot.
9 enchantments: Curse of Binding, Blast Protection, Fire Protection, Mending, Projectile Protection, Protection, Thorns, Unbreaking and 1 more.
Cover Me with Diamonds (Diamond armor saves lives).