Raid: Shadow Legends Wiki

Gem mine produces a daily amount of gems which increases with the level of the mine. The gems are produced one by one the mine can store an increasing amount of gems at once. The mine has a maximum level of 3. If the mine is full it will stop producing more gems until the gems are collected, gems can be collected any time. The gem prduces its maximum capacity in a day on every level. Its worth it if you plan to play at least 3-4 months and you plan to visti the game on a daily basis.

Gem Mine Level Gem Cost Time / Gem Max Gems Stored
1 500 4h 48 min 5
2 500 2h 24 min 10
3 500 1h 36 min 15