Chances are, if you're looking for the best way to find diamonds in Minecraft 1.17 you've hit the same issue affecting everyone else: they're now really rare. This isn't an intentional Minecraft change but rather a bug introduced by the latest update.
The current thinking is that because the Bedrock and 1.17 updates are moving the bedrock depths, this would also move the spawn depth of Minecraft diamond. However, because the updates has been split into two parts a bug somewhere currently makes diamond incredibly rare. It still technically spawns at the same level or depth of around y=16 and below, just much more sparsely now. So most of the advice in this guide still stands, you just need a lot more luck now.
If you're not sure how to check what level you're on then press shift and F3 to bring up this screen:
In the area we've ringed red you'll see three numbers that are your X, Y, and Z coordinates in the game. As you can see here, the diamonds we found in the 1.17 update are around the y=11 stage.
The bug appears to be logged and it looks like the next hot fix should take care of the error. That was first scheduled as being in about a month's time, which would make due around July 10. Until then, the usual diamond finding methods below still apply, it'll just be a lot harder, so good luck.
How to find Diamonds in Minecraft
While Minecraft Netherite is now the strongest material for weapons and armor in Minecraft, Diamonds work as the base and are much easier to acquire in comparison (though still somewhat hard in the grand scheme of things). If you get yourself a full set of Diamond armor and a Diamond sword, plus an Enchanting Table, you'll be set for any enemy that tries to take you on. Here are some tips for finding Diamonds in Minecraft.
- Diamonds only spawn below Y=16
Press F3 when playing Minecraft on PC (Java Edition) or on console, you need to enter the game options before loading your world and select "Show Co-ordinates" (Bedrock Edition). Diamonds can only spawn naturally below Y level 16, which means that if you're exploring a cave that doesn't descend significantly, you won't find the good stuff.
- Look and listen for lava pools
Diamonds do not tend to spawn close to lava, but lava pools are naturally more open areas and you can look at more blocks this way. Plus, if you find a natural lava pool at around that level, it means every single block you see surrounding the pool has the potential to be Diamond Ore.
- Branch mine on Y=10
Branch mining is essentially digging down to Y=10, then creating symmetrical paths branching off. Then you simply mine in a straight line. So you'd start a new path every third block, in both directions. You don't want to have a new branch mine path at every other block, because you'd be limiting how many new blocks — and potential Diamonds — you're seeing on the wall, so it needs to be a two-block thick wall.
- Explore deep caves
Of course, Minecraft is all about caving too. So if you find a complex cave system that delves deep into the depths of the world, stock up on equipment (food, torches, weapons, armour) and start exploring! Provided it does go below Y=16, there's a good chance you'll find a vein or two.
- If you've already got an Enchanting Table, use a Fortune Pickaxe to mine the ore
Mining any ore with a Fortune Pickaxe will yield more resource than the ore would usually contain. Unfortunately, you do need to have already found Diamonds to make an Enchanting Table, but it's a great way to quickly accumulate more Diamonds at once.
Ultimately, finding Diamonds is luck in Minecraft. There is a method to the madness though; only one Diamond vein will spawn per chunk (a chunk is 16x16 blocks) below Y=16, and that vein can be anywhere from 1-10 Diamonds long. So if you decide to clear out an entire chunk, you are guaranteed to find Diamonds inside. It's a lot of effort for a somewhat small reward though, when you could use a more effective mining style like branch or strip mining. Either way, find enough Diamonds to kit yourself out and you'll be the envy of the entire server.
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