Become a real jewelry master! Gem stacker is a unique hypercasual runner with addictive gameplay. Make it work from raw gems and diamonds to rings! Collect & stack gems and sell those to the customers. Break, cut, polish, and upgrade and try to earn more money. Avoid obstacles to bring as much as you can!

- Drag left and right to control the gem line direction. - Use arrow keys or A&D keys to move left and right