I found a gemstone

I found a gemstone
A precious soft gemstone
That rare type,
The one people only mention in stories
The kind I only want for me

I found a gemstone and I lost it
Lost it to an unknown figure
One that doesn't even want it,
But it's still under his control

I lost a gemstone
Now I need to get it to my zone
I sent hooks and wires
But nothing I've acquired

This is how it has been
That girl in his grasp
While I fail to get her
And he doesn't even care