This semi-mount diamond engagement ring is an ideal choice if you wish to choose a center stone of your liking for it. As the name suggests, the ring is pre-decorated, except for the center stone that is to be of your choice. It features a tiered pear shape center mount, with a top middle tier where the center stone, a pear cut in the range of 0.20 carat to 0.30 carat, will be installed. Embellishing the lower tier is a total of 18 prong hand set round cut diamonds, which forms a halo around the center stone. A straight shank in plain gold completes the ring. The semi-mount engagement ring is framed in 14 karat yellow and white gold. Total diamond weight is 1/10 ctw.