Hi Matt,
I’m sorry you are going through this. I would contact her for sure! You seem like a great guy and have a lot going for you. You are both older now. She may not know why she was blocked. Tell her that it was because it was too painful and you wanted to move on.(I was in similar situation and it meant a lot to me to hear that is why my ex blocked me.)
I would meet her for lunch and you both could get some closure or get back together.
Good luck,
Emory