Here are the ways to earn gems in the game:

1. Do the Daily Happiness Challenges - gem rewards are awaiting you for each task:


2. Reach your achievements and daily goal:


3. Participate in the "Great Coin Cookout" Challenge - this event is being announced in-game in advance. 

4. Through Referral Code, share the game to your friends and get a referral reward:


5. Unlock your Piggybank to redeem your saved gems: