Diamonds are among the most useful of gems in the game, very popularly socketed in shields.
| Quality | Weapon | Helm or Armor | Shield | Clvl Req | |
|---|---|---|---|---|---|
| Chipped | 
|
+28% damage vs. the undead | +20 to Attack Rating | +6% Resistance to All | 1 |
| Flawed | 
|
+34% damage vs. the undead | +40 to Attack Rating | +8% Resistance to All | 5 |
| Normal | 
|
+44% damage vs. the undead | +60 to Attack Rating | +11% Resistance to All | 12 |
| Flawless | 
|
+54% damage vs. the undead | +80 to Attack Rating | +14% Resistance to All | 15 |
| Perfect | 
|
+68% damage vs. the undead | +100 to Attack Rating | +19% Resistance to All | 18 |