Awesome! Glad to hear that.
I use amethyst hammers since they have 1x2 hit, perfect for tunneling. Last session (I continued later what I already said before) I got 163 raw diamonds, and spent 3 amethyst hammers (I have mastery maxed out, also power, dexterity and durability of tools). Also got about 200 titanium iirc, might be wrong.
One tip though, when you prepare to go gem hunting, make sure you’ll have enough time. Once regen hits it’s finished I have done some testing with latest session and tried today in the same area after regen. It’s very noticeable that all other resources are scarcer, not just diamonds. So, when tunneling if you get to a area where on 100 blocks length of tunnel you hit just a few other resources, somebody already did that area, try to hit caves and grapple away a bit further.
Advanced tip: if you’re into it, you can see clearly in debug screen where chunk (plot) edges are, so if once you find untouched area with diamonds, try to use it as much as possible by not making everything around you regen, but limit to chunks you can handle in one session. Hope that makes sense If you don’t know what I’m talking about just ignore.