Gems

Gems are items that can be placed into sockets to alter or enhance a cosmetic item.

Socketing
Most cosmetic items can be socketed with gems. Each item can hold up to 5 gems. Items generally do not come with sockets, an Artificer's Chisel is required to create a socket on a given item.

Ethereal Gem
These gems give the item an Unusual particle effect. They are only effective on custom couriers. Adding an Ethereal Gem changes the item's Quality to Unusual.

Prismatic Gem
These gems alter the color of an existing Unusual particle effect on the item.

Kinetic Gem
These gems add or modify one or more new animations to the hero equipping the item. They are only effective when used on the same type of item, belonging to the same hero.

Inscribed Gem
These gems gives the item the ability to track in-game stats. Adding an Inscribed Gem changes the item's Quality to Inscribed.

Spectator Gem
These gems allow the item to track the number of games viewed in a certain league, tournament, or played by a certain team.

Ascendant Gems
These gems are memorial items that tracked victories or gifts given during the Beta. Adding them to an item will display this record in the item's description. Adding an Ascendant Gem changes the item's Quality to Ascendant.

Autograph Rune
Autograph Runes contain digital signatures from professional players or community members. They are regarded as gems and can be placed into sockets. Adding them to an item will display the signature in the item's description. Adding an Autograph Rune changes the item's Quality to Autographed.