Opting for a semi-mount engagement ring is a feasible choice, as you can select the center stone for it as preferred. This semi-mount diamond engagement ring can be shortlisted for its sleek and elegant design in a simple layout. It features a plain white gold shank, with a raised 3-mount centerpiece that displays a taller mount in the center and a shorter mount each on either side of it. The taller center mount is where the center mount of your choice will be put in. This should be an oval cut diamond in the range of 0.40 ctw to 0.55 ctw. Pre-installed is a smaller prong set pear cut diamond each on the 2 shorter mounts. The semi-mount engagement ring is styled in 14 karat white gold. Total diamond weight is 1/4 ctw.