Diamonds are rare minerals found in both CastleMiner and CastleMiner Z. It is more common at about 3000 blocks away, as it can only be found in level 30 caves. It can be mined with a Gold Pickaxe, Diamond Pickaxe, or easily with a Bloodstone Pickaxe. Diamonds do not appear as ore when the player harvests it, instead it looks like actual diamonds. They are blue in color instead of it's natural white color.