Jewelry Augmentation

Upgrades

Jewelry of grade C and above can be augmented, including masterwork. Jewelry above grade A must be unsealed before augmentation. Epic jewelry and jewelry obtained from the quest in FotD (Blessing, B grade) can't be augmented. Augmenting jewelry works the same way as augmenting weapons, but you'll need special LS - Accessory Life Stone

They can be obtained from a blacksmith by exchanging 5 regular LS of the same level for 1 acsessory LS.

Regular LS can be used for the exchange, except LS 70 and level 82. Mid, high and top LS can't be exchanged.

You'll also need:

Augmenting jewelry can also give from 1 to 4 different bonuses. You can also get Equip Skill, which add an icon to the character's passive skills

List of possible skills:

Equip Skills always add +4 to the corresponding attack or defense attribute. Removing an augment from jewelry: S80 (920k), S (480k), A Majestic (390k).