1/5 Ctw Twin Halo Round Cut Diamond Semi Mount Engagement Ring in 14K Yellow and White Gold A beautiful diamond semi-mount engagement ring that lets you choose a center stone of your preference for it. It features a 3-tier oval shape center mount on a plain yellow gold straight shank. On the top tier in the middle of the mount, an oval cut center stone, ranging from 0.20 carat to 0.30 carat, of your choice will be installed. The lower two tiers, both of which halo the center mount, 16 prong set round cut diamond embellish the middle tier and 24 prong set round cut diamonds accent the lower tier. A pave set round cut diamond each, accents the center front and back of the gallery. The semi-mount engagement ring is framed in 14 karat yellow and white gold. Total diamond weight is 1/5 ctw.