Is It Possible to Have 600-700cc and Natural Sagging For My Frame? (photo)

It is possible, but you must consider the increased risks in having larger implants. Make sure you review all of your options before making this choice. 

Your plastic surgeon will be very useful in guiding your decision. Hope this works out.

 

I would agree with your doctor.  Based on your body statistics, I would have expected you to look a lot fuller with 450 cc implants too.  At that size, if you go up only 150 cc's to 600 cc's, you might not see a significant difference.  700 to 800 cc's might be the ticket for you, especially if you are hoping to look like the lady in the photo.  I have seen patients like you over the years in whom I have put very large implants.  Based on the patients' height and weight, I would have expected them to fall over forward from the size of the implants but they have actually looked very good and been very happy with the results!