Not to be confused with Onyx (previously called "Gemstone").
Gemstone is a Godly Pet. It can be obtained by opening the Moon Crate during the Space Event.
Because the event has ended, this item can now only be obtained through trading with other players. 
Gallery[]
.png "Inv Gemstone (Pet).png (26 KB)")
Inventory View
.png "Equip Gemstone (Pet).png (18 KB)")
Equip View
Leaked Sneak Peek