Diamond is gathered with Essencetapping at skill level 380 in AION Retail 4.9.

Gathering yields

Materials

Item	Chance
Diamond Ore	99.67%Share of this group’s roll that yields the item.
Recovery Crystal	0.25%Share of this group’s roll that yields the item.
Dukiron's Memento	0.07%Share of this group’s roll that yields the item.

Extra materials

Item	Chance
Diamond Ore	89.67%Share of this group’s roll that yields the item.
Recovery Crystal	0.25%Share of this group’s roll that yields the item.
Dukiron's Memento	0.07%Share of this group’s roll that yields the item.
Starry Diamond	10.00%Share of this group’s roll that yields the item.