Mine at Y-level -59 to -53 in the Overworld
Use an iron, diamond, or netherite pickaxe
Strip mine or branch mine efficiently
Explore deep caves and ravines
Loot chests in structures like villages, desert temples, shipwrecks, and mineshafts
Trade with villagers for diamond gear and tools
Defeat End Cities for diamond gear in chests
Use a Fortune pickaxe to increase diamond drops
Bring torches, food, and blocks for safe mining
Avoid mining diamond ore with a wooden, stone, or gold pickaxe