It can take up to 24 hours between the time of purchase and the gems/items to update in your game as our system needs to receive the confirmation from the store you made the purchase from.
Make sure that you have a stable internet connection when making purchases.
If your internet the connection was lost during or right after the transaction was made then please try restarting your device and check to see if the purchase shows up.

If the purchase still does not appear in your game, then please contact us and we will do our best to assist you. Make sure you provide the following information so that we can investigate the issue:

1. The exact amount of the items you purchased
2. The time of your purchase
3. A screenshot of your purchase receipt. This receipt is emailed to the account used to make the purchase soon after the purchase is completed.

If you have not received your purchase receipt please contact:

Apple Support