Gem Bonuses

A gem in a socket gives one bonus in a Weapon, another in an Armor piece (Helm, Chest Armor, Pants) and a third in an Accessory (Ring, Necklace).

Bonuses

Gem	Weapon	Armor	Accessory
Ruby	Fire Damage	Strength	Fire Damage Reduction
Sapphire	Cold Damage	Bonus Health	Cold Damage Reduction
Topaz	Lightning Damage	Dexterity	Lightning Damage Reduction
Emerald	Poison Damage	Thorns	Poison Damage Reduction
Amethyst	Arcane Damage	Intelligence	Arcane Damage Reduction
Diamond	Physical Damage	Cooldown Reduction	Physical Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Fire Damage	+5 Strength	+5.0% Fire Damage Reduction
2	+15.0% Fire Damage	+10 Strength	+7.0% Fire Damage Reduction
3	+20.0% Fire Damage	+15 Strength	+9.0% Fire Damage Reduction
4	+25.0% Fire Damage	+20 Strength	+11.0% Fire Damage Reduction
5	+35.0% Fire Damage	+25 Strength	+13.0% Fire Damage Reduction
6	+50.0% Fire Damage	+30 Strength	+15.0% Fire Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Cold Damage	+5.0% Bonus Health	+5.0% Cold Damage Reduction
2	+15.0% Cold Damage	+8.0% Bonus Health	+7.0% Cold Damage Reduction
3	+20.0% Cold Damage	+10.0% Bonus Health	+9.0% Cold Damage Reduction
4	+25.0% Cold Damage	+12.0% Bonus Health	+11.0% Cold Damage Reduction
5	+35.0% Cold Damage	+15.0% Bonus Health	+13.0% Cold Damage Reduction
6	+50.0% Cold Damage	+18.0% Bonus Health	+15.0% Cold Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Lightning Damage	+5 Dexterity	+5.0% Lightning Damage Reduction
2	+15.0% Lightning Damage	+10 Dexterity	+7.0% Lightning Damage Reduction
3	+20.0% Lightning Damage	+15 Dexterity	+9.0% Lightning Damage Reduction
4	+25.0% Lightning Damage	+20 Dexterity	+11.0% Lightning Damage Reduction
5	+35.0% Lightning Damage	+25 Dexterity	+13.0% Lightning Damage Reduction
6	+50.0% Lightning Damage	+30 Dexterity	+15.0% Lightning Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Poison Damage	+10 Thorns	+5.0% Poison Damage Reduction
2	+15.0% Poison Damage	+20 Thorns	+7.0% Poison Damage Reduction
3	+20.0% Poison Damage	+40 Thorns	+9.0% Poison Damage Reduction
4	+25.0% Poison Damage	+80 Thorns	+11.0% Poison Damage Reduction
5	+35.0% Poison Damage	+105 Thorns	+13.0% Poison Damage Reduction
6	+50.0% Poison Damage	+130 Thorns	+15.0% Poison Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Arcane Damage	+5 Intelligence	+5.0% Arcane Damage Reduction
2	+15.0% Arcane Damage	+10 Intelligence	+7.0% Arcane Damage Reduction
3	+20.0% Arcane Damage	+15 Intelligence	+9.0% Arcane Damage Reduction
4	+25.0% Arcane Damage	+20 Intelligence	+11.0% Arcane Damage Reduction
5	+35.0% Arcane Damage	+25 Intelligence	+13.0% Arcane Damage Reduction
6	+50.0% Arcane Damage	+30 Intelligence	+15.0% Arcane Damage Reduction

Tier	Weapon	Armor	Accessory
1	+10.0% Physical Damage	+1.0% Cooldown Reduction	+4.0% Physical Damage Reduction
2	+15.0% Physical Damage	+1.5% Cooldown Reduction	+5.5% Physical Damage Reduction
3	+20.0% Physical Damage	+2.0% Cooldown Reduction	+7.0% Physical Damage Reduction
4	+25.0% Physical Damage	+2.5% Cooldown Reduction	+8.5% Physical Damage Reduction
5	+35.0% Physical Damage	+3.0% Cooldown Reduction	+10.0% Physical Damage Reduction
6	+50.0% Physical Damage	+4.0% Cooldown Reduction	+11.5% Physical Damage Reduction