by Cave With Diamonds
Build a Gem Crusher Codes
Working Build a Gem Crusher Codes
Last updated August 21, 2026
No working codes right now
We're tracking Build a Gem Crusher and will list codes here the moment the developers release them. If you spot one first, send it our way below.
Unconfirmed Codes (1)
We have not confirmed these yet. Try one, then use the works / broken buttons — once enough of you agree, it moves up to the working list or gets dropped.
| Code | Reward | Works? | |
|---|---|---|---|
JULY4New | eagle pet | Did it work? |
How to redeem codes in Build a Gem Crusher
- Launch Build a Gem Crusher on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Build a Gem Crusher
Welcome to Build a Gem Crusher ⛏️💰! How to play: - 🎲 Roll rare gems and do powerful upgrades! - 🚜 Buy drills and let them mine gems automatically. - ⚙️ Crush gems to earn cash and grow your factory. - ⛏️ Use stronger pickaxes to mine gems by hand. - 🎨 Unlock awesome crusher skins and customize your setup. - 🐶Hatch eggs and equip pets in your plot. - 🔄 Rebirth for huge boosts! ⭐[UPD]: Added new ores and much more... Redeem Code "JULY4" for eagle pet 🦅 💎 Build the biggest gem crushing factory and become the richest player! 🔥 👍 Like and ⭐ Favorite the game for future updates!