ModsJava
Diamond Upgrade Template - by The_illLusioner
Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
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 lets you 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 CurseForge — 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.
File checked by MCModsHub
- Ships as diamond_upgrade_template-1.0.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 630 KB
- Download link checked 24 Oct 2026 — working
These come from our own check of the pack file, not from the source page.