Gem Optimizer
Pick the affixes your build wants and we'll find the gems that grant them — ranked cheapest, strongest or best value — then suggest a gem set that covers every target in the fewest sockets, exploiting the two-in-one gems.
1. Choose your target affixes
2. Rank by
Gem level
Budget / gem
Recommended gem set
1 gem · 1/1 affixes7525 combat value
Every gem, by affix
The top gems that grant each affix you selected, ranked by cheapest — swap in an alternative if the recommended pick is out of stock.
Iron Helmet
Increase Critical Damage Resistance. Upon reaching the required level, reduce the impact of Critical Hits received. Critical Hit: Hitting weak points deals Critical Hits, increasing DMG based on Critical DMG while enhancing Impact. The head is a weak point for both Gyldhunters and most monsters.Iron Helm Agate Iron Helmet · Lv. 1 | 25 CV | 75 | 333.3/k |
Aegis: Ironhelm Agate Aegis + Iron Helmet · Lv. 2 | 50 CV | 150 | 333.3/k |
Bulwark·Iron Helm Agate Bulwark + Iron Helmet · Lv. 2 | 50 CV | 150 | 333.3/k |
Fortitude·Iron Helm Agate Tenacious + Iron Helmet · Lv. 2 | 50 CV | 150 | 333.3/k |
Iron Helm · Battlebond Agate Iron Helmet + Brotherhood · Lv. 2 | 50 CV | 150 | 333.3/k |
Combat value (CV) is the gem's power rating; prices are the auction house's recommended value and float with supply. The recommended set is a greedy cover — it favours gems that grant two of your targets at once, so it's the fewest sockets, not always the strictly cheapest total. Browse all gems on the Affix Gems page.