1/2 Ctw Marquise Shape Semi-Mount Round Cut Diamond Engagement Ring in 14K White Gold A well-ornamented semi mount ring, this offers an eye-catching design that has been skillfully crafted and set. Since it is a semi mount engagement ring, you can choose the center stone ranging from 0.30 carat to 0.40 carat for it, which in this case must be a marquise cut stone. The marquise center mount is bordered by 24 pave set round cut diamonds in two sizes. 30 prong set round cut diamonds, 14 on either side of shank, in 4 different sizes embellish the split and tapered shank. The gorgeous ring is framed in 14 karat white gold. Total diamond weight is 1/2 ctw.