The best seeds in Minecraft for speedruns generate worlds that have resources right away and are near important locations to help reach the End.

GameSpot may get a commission from retail offers. We'd always recommend using Minecraft enchantments, such as Fortune, to ensure that the diamond blocks you mine give you a greater number of diamonds ...

To find diamonds in Minecraft, you'll need to dig down to at least layer 15 with an iron pickaxe or better. You can see what layer you're on by opening the debug menu or by changing your settings.