Defense gems

Defense gems are yellow gems, orange gems, green gems, and meta gems. With patch 4.0.1 defense was completely removed from the game as a stat.

Northrend Gems

Color	Name	Effect(s)
Meta	[Eternal Earthsiege Diamond]	+21 Defense Rating	5% Shield Block Value
Yellow	[Thick Dragon's Eye]	+34 Defense Rating
	[Thick King's Amber]	+20 Defense Rating
	[Thick Autumn's Glow]	+16 Defense Rating
	[Perfect Thick Sun Crystal]	+14 Defense Rating
	[Thick Sun Crystal]	+12 Defense Rating
Orange	[Champion's Ametrine]	+10 Defense Rating	+10 Strength
	[Glimmering Ametrine]	+10 Defense Rating	+10 Parry Rating
	[Resolute Ametrine]	+10 Defense Rating	+10 Expertise Rating
	[Stalwart Ametrine]	+10 Defense Rating	+10 Dodge Rating
	[Champion's Monarch Topaz]	+8 Defense Rating	+8 Strength
	[GlimmeringMonarch Topaz]	+8 Defense Rating	+8 Parry Rating
	[Resolute Monarch Topaz]	+8 Defense Rating	+8 Expertise Rating
	[Stalwart Monarch Topaz]	+8 Defense Rating	+8 Dodge Rating
	[Perfect Champion's Huge Citrine]	+7 Defense Rating	+7 Strength
	[Perfect Glimmering Huge Citrine]	+7 Defense Rating	+7 Parry Rating
	[Perfect Resolute Huge Citrine]	+7 Defense Rating	+7 Expertise Rating
	[Perfect Stalwart Huge Citrine]	+7 Defense Rating	+7 Dodge Rating
	[Champion's Huge Citrine]	+6 Defense Rating	+6 Strength
	[Glimmering Huge Citrine]	+6 Defense Rating	+6 Parry Rating
	[Resolute Huge Citrine]	+6 Defense Rating	+6 Expertise Rating
	[Stalwart Huge Citrine]	+6 Defense Rating	+6 Dodge Rating
Green	[Enduring Eye of Zul]	+10 Defense Rating	+15 Stamina
	[Enduring Forest Emerald]	+8 Defense Rating	+12 Stamina
	[Perfect Enduring Dark Jade]	+7 Defense Rating	+11 Stamina
	[Enduring Dark Jade]	+6 Defense Rating	+9 Stamina

Outland Gems

Color	Name	Effect(s)
Meta	[Tenacious Earthstorm Diamond]	+12 Defense Rating	Chance to Restore Health on hit
	[Eternal Earthstorm Diamond]	+12 Defense Rating	+5% Shield Block Value
Yellow	[Facet of Eternity]	+12 Defense Rating
	[Thick Lionseye]	+10 Defense Rating
	[Thick Dawnstone]	+8 Defense Rating
	[Subtle Golden Draenite]	+6 Defense Rating
	[Subtle Amber]	+4 Defense Rating
Orange	[Champion's Fire Opal]	+4 Defense Rating	+5 Strength
	[Glimmering Fire Opal]	+4 Defense Rating	+5 Parry Rating
	[Polished Fire Opal]	+5 Defense Rating	+4 Agility
	[Stalwart Fire Opal]	+5 Defense Rating	+4 Dodge Rating
Green	[Effulgent Chrysoprase]	+5 Defense Rating	2 Mana every 5 sec
	[Regal Seaspray Emerald]	+5 Defense Rating	+7 Stamina
	[Enduring Chrysoprase]	+5 Defense Rating	+6 Stamina
	[Enduring Talasite]	+4 Defense Rating	+6 Stamina
	[Regal Deep Peridot]	+3 Defense Rating	+4 Stamina

Patch changes

• Patch 3.2.0 (2009-08-04):
  •  [Dragon's Eye] gems stat bonuses increased.
  • We will be removing the prismatic quality of the jewelcrafter-only  [Dragon's Eye] gems.