Topazes are popularly socketed in armor and helms for the Magic Find bonuses they provide.
Diablo III Topazes
This gem type returns in Diablo III, but with very different bonuses.
Diablo II: Lord of Destruction
These are the bonuses provided by Topaz in D2X.
| Quality | Weapon | Helm or Armor | Shield | Clvl Req | |
|---|---|---|---|---|---|
| Chipped |  | +1-8 Lightning Damage | +9% chance to find magical items | +12% Lightning Resistance | 1 |
| Flawed |  | +1-14 Lightning Damage | +13% chance to find magical items | +16% Lightning Resistance | 5 |
| Normal |  | +1-22 Lightning Damage | +16% chance to find magical items | +22% Lightning Resistance | 12 |
| Flawless |  | +1-30 Lightning Damage | +20% chance to find magical items | +28% Lightning Resistance | 15 |
| Perfect |  | +1-40 Lightning Damage | +24% chance to find magical items | +40% Lightning Resistance | 18 |
D2C Topaz Stats
Topaz have slightly different stats in D2C.
Topaz
| Quality | Weapon | Helm or Armor | Shield | Sale Price | Clvl Req | |
|---|---|---|---|---|---|---|
| Chipped | | +1-6 Lightning Damage | +9% chance to find magical items | +11% Lightning Resistance | 125 | 1 |
| Flawed | | +1-7 Lightning Damage | +12% chance to find magical items | +15% Lightning Resistance | 375 | 5 |
| Normal | | +1-8 Lightning Damage | +16% chance to find magical items | +19% Lightning Resistance | 1250 | 12 |
| Flawless | | +1-10 Lightning Damage | +20% chance to find magical items | +24% Lightning Resistance | 3750 | 15 |
| Perfect | | +1-12, 1-13, or 1-14 Lightning Damage | +24% chance to find magical items | +29% Lightning Resistance | 7500 | 18 |