Get her a sensational engagement ring that you have partly customized to your liking. A semi mount engagement ring like this will help you add your creative touch to it. Here you can install a center stone ranging from 0.40 carat to 0.60 carat of your choice. A preset twin halo of 44 prong set round cut diamonds encircle the center mount. Also decorating the shank are 16 round cut diamonds, 8 each flanking the center mount on either side. The ring is styled in 14 karat white gold. Total diamond weight is 1/2 ctw.