Stone Miner Simulator 3 codes are one of the best ways to get diamonds in the game. After gold coins, they are the most needed item here. We require them to buy trail, skin, wings, advance upgrades, and pets. Most of them let you redeem at least 500 gems, which is enough to buy your first skin. So use them all before they expire and get thousands in a few minutes. If you are not sure how to redeem them, we have provided the steps for that right below the working codes.

Please note: Last check for new codes on May 21, 2024.

They are exchanged for free diamonds:

Here are the steps you need to follow to redeem codes: