I know you are hurting. Remember, I HAVE BEEN THERE. Many of us have. It does get better, I promise. Unfortunately, this is the "free will" part that --although we know God hears us and is caring for us -- we cannot control what our wayward spouses decide to do.
LET HER BE for now. This isn't necessarily over (even 20% of divorced couples remarry, with most reporting marriages better than before), and this doesn't even necessarily mean D. It does mean she is not receptive to you NOW.