ADVERTISEMENTOne essential resource for upgrades is a Strange Diamond. ### Where to Find Strange DiamondsStrange Diamonds are used in many crafting recipes, like building teleporters that make traveling across the map much easier. ADVERTISEMENTThe best place to look for Strange Diamonds is inside caves across the Rainbow Islands. Be sure to check both high and low spots in the caves, as the rare nodes can be hidden in hard-to-see places. Some players have found Strange Diamond nodes in the cave behind the Honey Slime Gordo in Starlight Strand.