Rubies are the the rarer type of Gems, which may be found at random times, found within Chests and looted from the Gem Goblin. It is also the main resource when slotting Tools to upgrade them.
| Image/Gem | Rate (Per Tick) | Rate (Per Day) | Average Gems / 100 Days |  Sell to Game Shop
| |
|---|---|---|---|---|---|
|
|
Ruby |
| |||
Gems 
|
|---|
 Sapphire •  Emerald •  Ruby • Diamond •  Blood diamond •  Dark Diamond
|