1/3 Ctw Emerald Shape Round Cut Diamond Semi-Mount Engagement Ring in 14K White Gold A beautiful diamond semi-mount engagement ring, this offers beauty and elegance. As a semi-mount ring, it lets you choose a center stone for it, which in this case should be an Emerald cut stone ranging from 0.40 carat to 0.60 carat. Apart from the center stone, the ring comes pre-installed with two rows of round cut diamonds that surround the center mount which will hold the center stone. The inner of the two rows is decorated with 18 prong set round cut diamonds, while the outer row is embellished with 26 prong set round cut diamonds. A pave set round cut diamond each adorns the center front and back of the gallery, while a plain gold shank completes the look. The semi-mount engagement ring is molded in 14 karat white gold. Total diamond weight is 1/3 ctw.