Mentor Boost vs Sientra vs Motiva – which is best for cleavage + upper fullness? (Photos)

Hi everyone! I’d really appreciate some advice. My surgeon recommended 440–480cc Mentor Boost (extra high profile), but I’m still deciding between that and other options like Sientra (high profile or moderate plus), Motiva, or regular high profile implants. My starting point: mild sag and some spacing between my breasts. My goal: • fuller, round look • upper pole fullness • noticeable cleavage (even without a bra) • not too natural, but also not overly “ball” looking