Jewelry is one of the four optional professions. You can be on the profession talking with the NPC called Jewelry. Can be found on Aiorum, Magul, Drezia or Navisco. Gems can be used to upgrade weapons or other gems. Gems are tradeable and everyone can use them if you have the required level.
Gems are divided by tiers, subdivided also on upgradings, from gem level 1 to level 15 is Tier 1, from level 20 to 37 tier 2, and from 41 to 60 Tier 3.
- Tier 1 (Yellow, can be found on Aiorum or Magul)
- Tier 2 (Green, can be found on Neverwinter)
- Tier 3 (Red, can be found since Doodler Jungle)