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Gems can be socketed into armor, weapons or jewelry. Blizzard has kept the naming conventions from the previous games so the gem types will be familiar to players.
The different types of gems affect gear in the three categories of Weapons, Armor and Jewelry where a Gem can be applied.
Gems can also be upgraded at the Jeweler.
Gem Tiers
There are 5 tiers of gems:
- Crude
- Chipped
- (normal)
- Flawless
- Royal
Gem Types
There are 7 types of gems:
Gem Effects
| Type | Weapons | Armor | Jewelry |
|---|---|---|---|
| Skull | Life per Kill | + Healing | + Armor |
| Emerald | +% Damage to Elites | +Thorns | Poison resist |
| Diamond | +% ult dmg | + Barrier strength | All resists |
| Ruby | +% Resource regen | +% Life | Fire resist |
| Saphire | +% Crit dmg to cc(stun) enemies | +% dmg reduction while Fortified | Cold resist |
| Topaz | +% Lucky hit | +% dmg reduction while cc'd | Lightning Resist |
| Amethyst | +% Damage over time | +% Damage over time reduction | Shadow Resist |