I think there can be other variables that impact it and other forms of wealth.

But even money is store energy. You applied energy (labor), you traded it for money, and that money represents a proof of work that you can then exchange for someone else's energy (labor).

Through our work and innovation, we then created new methods of labor, where we can create more energy than just from the human body alone. But that's still wealth in the same sense. 

 > But even money is store energy.

ok I'm out 

 🤷‍♂️  

 If you've found a diamond on a hike there's not really much energy. 

 No. Nature supplies us with the initial energy/resources we need to get started.

But there's only so many diamonds laying around. Most of us will have to go dig one up or pay someone who did.