Gems

"Gems can be used to buy gold or speed up the unlocking of chests."

Summary

Gems are the premium currency of Clash Royale.
When players first download the game, they begin with 100 Gems. Additional Gems can be earned in-game by completing Achievements, opening Chests, or purchased with real money.
Free Chests and Crown Chests are the only chests to contain gems, containing 2-4 gems.
- Free Chests don't always contain Gems, but Crown Chests always do.

Gems can be purchased from the shop for the following amounts: (All Amounts in $USD)

Price (USD)	Gems	Name	Gems per Dollar (USD)
$0.99	80	1 Fistful	80 gems / 1 dollar
$4.99	500	1 Pouch	100 gems / 1 dollar
$9.99	1 200	1 Bucket	120 gems / 1 dollar
$19.99	2 500	1 Barrel	125 gems / 1 dollar
$49.99	6 500	1 Wagon	130 gems / 1 dollar
$99.99	14 000	1 Mountain	140 gems / 1 dollar

Main article: Shop

You can skip the opening of Chests with your Gems. Every 10 minutes worth of the remaining unlocking time that is skipped costs 1 Gem.
You can buy Gold and Chests for Gems.
You can also start Tournaments using Gems.

Gems are also available to be found inside the Free Chest and Crown Chest. However you can not find gems in the Silver, Golden, Magical, Giant, or Super Magical Chests.
Gems can also be earned by completing Achievements.

Clash Royale is the second Supercell game to feature a $0.99 premium currency package. (The first one was Hay Day, which allowed you to spend $0.99 to purchase a "Pile of Coins").