If the love is true, I am sure your girl would say yes to diamond alternatives too in the engagement rings. There is no doubt that diamond is all sparkly and beautiful but it is definitely expensive as hell. And there are more amazing gems in the world which can be used for an engagement ring to make it unique. But of course, what matters is the most is the love between you two.
https://www.crazyask.com/best-diamond-alternatives-engagement-rings/