Your question doesn’t have enough information.

• what is her preferred metal?
• what is your price range?
• what is her style of jewelry, and what style of clothes does she wear?
• is this an everyday piece, or something for special occasions?
• do you want to buy something with stones in it?
• where do you live, and are there shipping limitations?
• why are you looking at other options if you think she’ll like that one?