1/3 Ctw Floral Center Split Shank Semi-Mount Diamond Engagement Ring in 14K White Gold If you wish to decide on the size of the center stone, a semi mount ring would be your ideal choice. This one comes with a round mount for a round shape center stone. Also, the ring is preset with round cut diamonds to complete its look. 14 prong set round cut diamonds border the center mount, forming a halo around the to-be-installed center stone. The split shank curves and meets the center mount to make up the ring. 11 prong set round cut diamonds each, 44 in all, decorate the four bars of the split shank. The ring is styled in 14 karat white gold. This ring invites your choice of center stone ranging from 0.25 carat to 0.35 carat. Total diamond weight is 1/3 ctw.