Before you choose,take a good look at her existing jewelry and her taste in outfits and accessories. This will give you an idea on what kind of engagement ring your future bride will appreciate. If she is the type who loves wearing sophisticated and glamorous attire, you should give her an elegant diamond engagement ring with solitaire setting. If she is a simple person, a plain white gold band with small diamonds will be more fitting. If her style is traditional, she would probably love a gold engagement ring.