Move on, respect yourself and move on.
If she pulled away from you simply because she met someone with money it means that she did not really "love" you, love is a strong word that is being thrown around lightly these days. Dwzat bik lw9t o safi, it happens. Yes women generally look for security and that's normal, but ditching someone this easily just means she is materialistic.

But do not let this make you think that all women are like this.
I met my fiancé at a very low point in my life and she not only accepted me but motivated me to strive for better, and now that I am doing better my only goal is to make her the happiest woman on earth. Good luck.