Lost Ark
Gems are an important factor while building a character in Lost Ark. They are very valuable and with the right tools, you can even make gold in Lost Ark, by fusing and rerolling gems. In this guide, you’ll find a calculator and more information about gems.
Table of Contents
Gem Calculator
| Level | Market Value | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | Level 7 | Level 8 | Level 9 | Level 10 |
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| 10 CDR | |
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| 10 ATK | |
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| 10 AVG | 0 |
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CDR = Cooldown Reduction, ATK = Attack, AVG = Average (50/50 chance).
Chest Value
| Chest | Odds | Chest Value |
|---|---|---|
| T3 Gem Chest (Lv. 1-2) | Level 1:% Level 2:% Total:100 % |
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| T3 Gem Chest (Lv. 1-3) | Level 1:% Level 2:% Level 3:% Total:100 % |
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The “Chest Value” is based on the gem prices above.
Gem Fusing
You can fuse gems in Lost Ark by combining 3 gems of the same level to get 1 gem of the next level. The likelihood of getting damage or cooldown reduction (CDR) gems is random and can not be influenced.
To combine 3 gems they have to be of the same level (e.g. 3 level 4 gems to get one level 5 gem) and the same tier (e.g. tier 3).
How to fuse gems?
- Open your inventory (i).
- Click on the gem icon in the bottom left corner.
- Right-click the gems you want to fuse or drag them into the fusing window.
- Bonus tip: you can click on a level in the fusing window to fuse all available gems from your inventory up to the selected level.
Gem Types
There are two types of gems: one increases the damage directly and the other reduces the cooldown of a skill. The level of your gem defines how powerful the effect will be:
| Gem Level | Damage Increase | Cooldown Reduction |
|---|---|---|
| Level 1 | 3% | 2% |
| Level 2 | 6% | 4% |
| Level 3 | 9% | 6% |
| Level 4 | 12% | 8% |
| Level 5 | 15% | 10% |
| Level 6 | 18% | 12% |
| Level 7 | 21% | 14% |
| Level 8 | 24% | 16% |
| Level 9 | 30% | 18% |
| Level 10 | 40% | 20% |
The only way you can change the type of gems is by fusing them. Therefore, the type of a level 10 gem is always final since you can’t fuse level 10 gems anymore.
As you can see in the table, there is a huge boost in value you get from level 10 attack gems (10 percentage points increase) while the effect of a level 10 CDR gem is only an increase of 2 percent points. This results in a huge discrepancy between the market values of a level 10 attack gem and a level 10 CDR gem.
Gem Rerolling
You can reroll your gem to change the skill. Here’s what you need to know about rerolling a gem in Lost Ark:
- Rerolling a gem will assign a random skill to that gem.
- You can get the same skill again.
- The skill will always be a skill of the class, that is rerolling that gem (e.g. a Sorceress will always roll Sorc-Skills on her gems).
- If you reroll an attack gem, you will always get an attack gem. The same is true for cooldown gems.
- You can reroll as long as you have sufficient silver.
Every reroll attempt comes with a hefty silver cost. The higher your gem, the more silver you need.
| Gem Level | Silver Cost |
|---|---|
| Level 1 | 7,000 silver |
| Level 2 | 8,500 silver |
| Level 3 | 10,000 silver |
| Level 4 | 20,000 silver |
| Level 5 | 30,000 silver |
| Level 6 | 60,000 silver |
| Level 7 | 90,000 silver |
| Level 8 | 150,000 silver |
| Level 9 | 210,000 silver |
| Level 10 | 340,000 silver |
Gem Chest Odds
The calculator assumes the following drop chances from Gem Chests:
- T3 Gem Chest (Lv. 1-2)
73% Level 1 and 27% Level 2. - T3 Gem Chest (Lv. 1-3)
73% level 1, 20% level 2, and 7% level 3.
You can override the probabilities in the form above.
