From V Rising Wiki
Jewellry are armour pieces that boosts the players spell power, gear level, and different type of bonuses depending on the jewellery.
Jewelry Tiers
Jewelry can be crafted via character menu, simple workbench,or jewelcrafting table.They can also be found as drops from enemies, or chests.
Tier 1-3 Jewelry
Tier 4 Jewelry
Tier 5-6 Jewelry
Tier 7-8 Jewelry