How can I use Diamonds?:SI
Diamonds are a premium resource that can be spent to speed up certain game actions, purchase units and premium content, and cut out the most of time-consuming processes from your game-play.
You can use Diamonds to:
Instantly complete building construction, unit build queues, contract negotiations, etc. Purchase Contract Referrals, Resources and Units at the Black Market Add special Defensive Improvements and structures to your Base You can purchase Diamonds from the Bank window, or receive them for free for completing game actions, or placing in the top weekly rankings.