Diamond

Item Type: Gem
Used For: Crafting Impenetrable Armor Trait
Effect: Increases resistance to Critical Hits

Diamond is an Armor Trait Gem in Elder Scrolls Online. It can be crafted into an armor piece at, and only at, its creation. When used in Crafting, this Gem applies the Trait Impenetrable to the armor piece. This Gem can be acquired by deconstruction items that have the Impenetrable Trait or by purchasing them in Guild Stores.