Subnautica Below Zero: Diamond Location - Where To Find Diamonds? In Subnautica: Below Zero, there’s one valuable resource that is required in crafting different objects and that is diamonds. If you are a beginner, you might be clueless about where to find diamonds in Subnautica: Below Zero. Thankfully, there are huge reserves of diamonds in the game and they can be found easily if you know exactly where to look. With this Subnautica: Below Zero Diamond location guide, you can skip the exploration part and dive down to get your hands on diamonds. MORE: Subnautica Below Zero Release Time