Roullette welcome to the forum
Practically there is nobody that tell you what is best for you because no-one can look into your heart. Given the facts - and I mean pure facts you list above without feeling the sentiments you feel - I would opt for moving on. However if that didn't work during the 10 years you already loved her I have doubts you can make yourself do it now.
Best would be to have an open talk with her laying all your cards on the table.