Dodge gems are red gems, orange gems, purple gems, and prismatic gems.

Northrend gems

Color	Name	Effect(s)
Red	[Subtle Dragon's Eye]†	+34 Dodge Rating †
	[Subtle Scarlet Ruby]	+16 Dodge Rating
	[Perfect Subtle Bloodstone]	+14 Dodge Rating
	[Subtle Bloodstone]	+12 Dodge Rating
Orange	[Stalwart Monarch Topaz]	+8 Dodge Rating	+8 Defense
	[Perfect Stalwart Huge Citrine]	+7 Dodge Rating	+7 Defense
	[Stalwart Huge Citrine]	+6 Dodge Rating	+6 Defense
Purple	[Regal Twilight Opal]	+8 Dodge Rating	+12 Stamina
	[Perfect Regal Shadow Crystal]	+7 Dodge Rating	+11 Stamina
	[Regal Shadow Crystal]	+6 Dodge Rating	+9 Stamina
Prismatic	[Subtle Dragon's Eye]	+27 Dodge Rating

^† In Patch 3.2.0.

Outland gems

Color	Name	Effect(s)
Red	[Subtle Crimson Spinel]	+10 Dodge Rating
	[Subtle Living Ruby]	+8 Dodge Rating
Orange	[Assassin's Fire Opal]	+5 Dodge Rating	+6 Crit
	[Beaming Fire Opal]	+5 Dodge Rating	+4 Resilience
	[Nimble Fire Opal]	+5 Dodge Rating	+4 Hit
	[Stalwart Fire Opal]	+4 Dodge Rating	+5 Defense
Purple	[Regal Tanzanite]	+5 Dodge Rating	+6 Stamina
	[Regal Nightseye]	+4 Dodge Rating	+6 Stamina

Patch changes

• Patch 3.2.0 (04-Aug-2009):
  • [Dragon's Eye] gems stat bonuses increased.
  • We will be removing the prismatic quality of the jewelcrafter-only [Dragon's Eye] gems. 
    

v • d • e Socket gems By material Red [Blood Garnet] · [Living Ruby] · [Crimson Spinel] [Bloodstone] · [Scarlet Ruby] · [Cardinal Ruby] [Carnelian] · [Inferno Ruby] · [Queen's Garnet]† [Tiger Opal] · [Primordial Ruby] Orange [Flame Spessarite] · [Noble Topaz] · [Pyrestone] [Huge Citrine] · [Monarch Topaz] · [Ametrine] [Hessonite] · [Ember Topaz] · [Lava Coral]† [Pandarian Garnet] · [Vermilion Onyx] Yellow [Golden Draenite] · [Dawnstone] · [Lionseye] [Sun Crystal] · [Autumn's Glow] · [King's Amber] [Alicite] · [Amberjewel] · [Lightstone]† [Sunstone] · [Sun's Radiance] Green [Deep Peridot] · [Talasite] · [Seaspray Emerald] [Dark Jade] · [Forest Emerald] · [Eye of Zul] [Jasper] · [Dream Emerald] · [Elven Peridot]† [Alexandrite] · [Wild Jade] Blue [Azure Moonstone] · [Star of Elune] · [Empyrean Sapphire] [Chalcedony] · [Sky Sapphire] · [Majestic Zircon] [Zephyrite] · [Ocean Sapphire] · [Deepholm Iolite]† [Lapis Lazuli] · [River's Heart] Purple [Jaggal Pearl] · [Shadow Pearl] · [Shadow Draenite] · [Nightseye] · [Shadowsong Amethyst] [Shadow Crystal] · [Twilight Opal] · [Dreadstone] [Nightstone] · [Demonseye] · [Shadow Spinel]† [Roguestone] · [Imperial Amethyst] Prismatic [Northsea Pearl] · [Dragon's Eye] · [Siren's Tear] [Chimera's Eye] [Serpent's Eye] Meta [Earthstorm Diamond] · [Skyfire Diamond] · [Starfire Diamond] · [Unstable Diamond] [Earthsiege Diamond] · [Earthshatter Diamond] · [Skyflare Diamond] · [Starflare Diamond] [Shadowspirit Diamond] [Primal Diamond] Cogwheel [Flashing] · [Fractured] · [Precise] · [Quick] · [Rigid] · [Smooth] · [Sparkling] · [Subtle] By category By stats Agility · Intellect · Spirit · Stamina · Strength · Attack Power · Critical strike · Hit rating · Haste rating · Resilience · Spell Power · Spell Penetration · Mana every 5 Seconds · Threat reduction · Defense · Dodge · Parry By source Vendors · Factions · PvP · Quests · Enchanting By quality/stats Uncommon · Perfect uncommon · Rare · Epic Uncommon · Perfect uncommon · Rare · Epic † Added in Patch 4.3.