
ModsJava
Diamond Upgrade Template
This mod makes it so that you can upgrade iron tools and armour to diamond and adds a new trading option for the villager profession armorer
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.







Iron Upgrade Template
This mod makes it so that you can upgrade iron tools and armour to diamond and adds a new trading option for the villager profession armorer.
Trading:
- For now, the only way to get the Diamond Upgrade Template
- Armorer villager must be at Journeyman level
- Cost 17 emeralds for 1 Diamond Upgrade Template
Recipes:









Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.8, 1.21.9, 1.21.10
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as diamond_upgrade_template-1.1.0-fabric-1.21.8-1.21.11.jar — drop this file into the mods folder
- Download size: 48 KB
- Download link checked 5 Sept 2026 — working
These come from our own check of the pack file, not from the source page.