Diamonds

There are several usages for diamonds in the game:


 * Builders' Hub - Upgrade this building to be able to place more buildings daily. L02 for 500💎 and L03 for 1,000💎.
 * Buildings - Merging into higher level buildings will cost coins and generally 20💎, 35💎, or 50💎.
 * Civic Square - If you are unable to invite new friends to the app, you can pay 500💎 to gain 1 popularity point.
 * Themes - Enhance the look of your city with a different theme. This month's pick will be 10% for 270💎 and all other themes cost 300💎.
 * Visitors - Sometimes there are people who have higher skills than the free ones roaming in your city. It will cost 1💎 to invite.

They are accrued via:


 * Real currency
 * Watching ads
 * Helping the Salesman
 * Helping Citizens