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
Creation
Combat
25
Price
75

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.

Creation

Increases the duration of Constructs. Upon reaching a certain level, successfully summoning a Construct increases Physical Damage and Magic Damage for a period of time. Constructs: Objects generated by players that have a limited lifespan and can be destroyed are collectively referred to as Constructs, such as: the Seer's Rune Pillar, Frostbite Trap, Eye of True Sight, mushroom traps from Spore Arrow, Forbidden Gate, etc.
Artifice Moonstone
Creation · Lv. 1
25 CV75
Aegis Creation Moonstone
Spirit Shield + Creation · Lv. 2
50 CV150
Bursting - Conjuring Moonstone
Burst + Creation · Lv. 2
50 CV150
Curseward · Craft Moonstone
Curse + Creation · Lv. 2
50 CV150
Fervor · Craft Moonstone
Fervor + Creation · Lv. 2
50 CV150

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.