Buy Diamonds is where you can purchase the premium currency used in the game.
After buying diamonds, you can donate diamonds to your studio, up to the amount of diamonds purchased.
Donated diamonds will be taken from diamonds in your inventory, that includes the free collected diamonds as well as bought ones.
This means you can buy diamonds and spend them, and later donate collected and purchased diamonds, up to the value of diamonds bought.
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Diamonds have multiple uses. You can buy valuable items, shorten waiting times, fill up your energy, get powerful boosters and a lot more!
Just choose the desired amount and payment method. By clicking "Next" you will be directed to a new page where you can finish your payment. Depending on the payment method you either receive the diamonds immediately or after a certain period of time.