5/8 ctw Octagonal Shape Pear and Round Cut Diamond Semi-Mount Engagement Ring in 14K Yellow and White Gold A magnificent semi-mount diamond engagement ring, this makes for a sure stunner. It features a raised octagonal shape center mount, with a 14 karat white gold prong raised center border. This is where, as a semi-mount ring, a center stone of your choice gets installed. An emerald cut center stone, between 0.85 ctw to 1.20 ctw can fit here. The lower octagonal border is glamorously decorated with 3 each fancy set pear cut diamonds at the top and bottom, while 2 rows of round cut diamonds run parallel from the top pear cut stone to the one at the bottom. 6 each, total 12, prong set round cut diamonds accent the inner row, whereas the outer row is adorned with 8 each, total 16, prong set round cut diamonds. 3 each prong set round cut diamonds embellish the shank on either side, with a twin line carving, offering a bordered look with milgrain finish. The ring is styled in 14 karat yellow and white gold. Total diamond weight is 5/8 ctw.