The premium currency in Soldiers Inc. Mobile Warefare is Diamonds and they can be used to give players extra advantages during Gameplay such as boosting the rate of your building construction, unit production and Contract negotiations. Diamonds will also allow players to purchase Resources such as Defensive Buildings and Engineers. As well as purchasing Diamonds from the bank they can be earned by completing missions, cumulative play, Diamond mines, and TrialPlay which involves completing advertiser offers. Players cannot trade, exchange or gift Diamonds to other players and they cannot be seized by an enemy during a raid or annexed during occupation.