Gem

Description

The Gem items reward you with a certain amount of gem resources.

Item	Description	Gained from
5 Gem	Grants your city 5 Gems.	Alliance chests
10 Gem	Grants your city 10 Gems.	Barbarians Lv.1-25 Barbarian Forts Lv.1-4 (x2) Bone Necklace (x1) Lohar's Trial event (varies)
50 Gem	Grants your city 50 Gems.	???  ???
100 Gem	Grants your city 100 Gems.	Era Breakthrough event (x1-8) Lord of War event (x3-30) Clarion Call event (x1-10) Strategic Reserve event (x1-15) Cornucopia event (x1-15) Barbarians Lv.41-55 Barbarian Fort Lv.11-15
200 Gem	Grants your city 200 Gems.	???  ???
500 Gem	Grants your city 500 Gems.	???  ???
650 Gem	Grants your city 650 Gems.	Tiles & Bricks event (x1) Overwhelming Strength event (x2)
1,000 Gem	Grants your city 1,000Gems.	???  ???
2,000 Gem	Grants your city 2,000Gems.	Ark of Osiris  ???