The small gemstone is an item found during the fifth skill-related assignment given by a God Emissary leader. These can be found along with fine small gemstones by using your emissary banner on any type of ore rock. These will work to complete the job as long as you have at least one fine small gemstone.
The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
- These can't be found in a gem rock. Using the banner on the rock yields the message "Nothing interesting happens."