Flawless Royal Diamond s cannot be augmentedĪfter throwing all of this in the cube, the Legendary Gem is destroyed and it adds it's level * 5 worth of main stat permanently to your item.Flawless Royal Topaz es augment Intelligence.Flawless Royal Emerald s augment Dexterity.Flawless Royal Amethyst s augment Vitality.3x of whichever gem you'd like to augment.A leveled up Legendary Gem (more on this under FAQ).An Ancient (or Primal) version of the item you want to augment.In Kanai's Cube, the final recipe is called Caldesann's Despair which applies an augment to an item.