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For the magic prefix, see Ruby (magic prefix).

Rubies are red gems, and are socketable items in Diablo II and Diablo III.

Diablo II

Like all other gems, Rubies grant bonuses that are related to their color. The red in Rubies signify the Elemental power of Fire. Socketing a ruby in Weaponry adds Fire damage, while Shields earn Fire resistance, and in Helms and Body Armor it increases life, which, in-game, is also associated with the color red. Crafted Items can be made with Rubies, and Blood Items have bonuses centered on increasing the wearer's life and recovering life.

Weapons: Adds Fire Damage
Shields: Adds Resistance to Fire
Helms and Body Armor: Adds to Maximum Life

Gem Level Weapons Shield Helms/Body Armor
Chipped Ruby
1 3-4 Fire Damage 12% Resist Fire +10 to Life
Flawed Ruby
5 5-8 Fire Damage 16% Resist Fire +17 to Life
12 8-12 Fire Damage 22% Resist Fire +24 to Life
Flawless Ruby
15 10-16 Fire Damage 28% Resist Fire +31 to Life
Perfect Ruby
18 15-20 Fire Damage 40% Resist Fire +38 to Life

Diablo III

Gem Helm Weapon Other
Regular Ruby
Increases Bonus Experience by 10% +9 Damage +10 Strength
Flawless Ruby
Increases Bonus Experience by 15% +15 Damage +20 Strength
Square Ruby
Increases Bonus Experience by 20% +30 Damage +30 Strength
Flawless Square
Perfect Square Ruby
Increases Bonus Experience by 25% +60 Damage +40 Strength
Star Ruby
Increases Bonus Experience by 31% +130 Damage +58 Strength
Marquise Ruby
Increases Bonus Experience by 33% +160 Damage +62 Strength
Imperial Ruby
Increases Bonus Experience by 35% +190 Damage +100 Strength
Flawless Imperial
Flawless Imperial Ruby
Increases Bonus Experience by 37% +220 Damage +160 Strength
Royal Ruby
Increases Bonus Experience by 39% +250 Damage +220 Strength
Flawless Royal
Flawless Royal Ruby
Increases Bonus Experience by 41% +270 Damage +280 Strength


Tome.png This page contains obsolete content
This article contains information that is no longer relevant to gameplay, but is kept here for informational purposes.

Prior to patch 2.3, Ruby gems in Diablo III had many more tiers, but were condensed for easier crafting.


This section contains facts and trivia relevant to this article.
  • The name "Ruby" is derived from the Greek word for "blood:" i.e. "Rubinus." Its etymology as a "blood stone" is reflected in game, in which the Ruby is associated with an increase to life.
Diablo IIFlawlessamethyst.gif AmethystFlawlessdiamond.gif DiamondFlawlessemerald.gif EmeraldFlawlessruby.gif RubyFlawlesssaphire.gif SapphireFlawlesstopaz.gif TopazFlawlessskull.gif Skull

Diablo IIIMarquise Amethyst.png AmethystMarquise Diamond.png DiamondMarquise Emerald.png EmeraldMarquise Ruby.png RubyMarquise Topaz.png TopazIceblink (Diablo III).png Legendary