: Forge of Empires is an online-only game where all important data, including your diamond count, is stored and processed on InnoGames game servers , not on your phone. A modified APK cannot change the numbers stored on the developer's server.

: Leveling up Great Buildings like the Chateau Frontenac boosts the diamond rewards you get from story quests. Is hacking common in FOE? - Forge of Empires Forum

: Certain buildings like Wishing Wells and Fountains of Youth have a small daily chance to reward diamonds.

While reviews for "Forge of Empires MOD APKs" may promise unlimited diamonds, these files are and are not legitimate . There is no real way to add unlimited currency to your account through a mod or hack. Why these mods are fake

: Completing higher levels of the Guild Expedition (especially Level 4) is a reliable source for free diamonds.