Talk:Ruby Dragon/@comment-71.83.232.77-20120821045644/@comment-5242490-20120904134259

Level 20 dragon + colosseum = 5 gems per day.

Also, 6-gem gifting circles with friends + colosseum = 11 gems per day.

7 days in a week, 12 gems a week with gemstones = 114 gems a week.

So yeah, you can get a whole lotta gems...