5/8 ctw Circular Shape Split Bypass Shank Round Cut Diamond Semi-Mount Engagement Ring in 14K White Gold A chic semi-mount diamond engagement ring that also lets you pick a center stone for it, as suits your budget. It features a prong raised circular center mount, where the stone you select gets installed. This should be a 6.5MM round cut center stone of 0.85 ctw to 1.20 ctw. The split arms of the shank come pre-decorated with round cut diamonds. There is a total of 48 prong set round cut diamonds, 24 each on either side, embellishing the bypass arms, while the other split arm on either side is adorned with 7 each prong set round cut diamonds, total 14. The semi-mount ring is styled in 14 karat white gold. Total diamond weight is 5/8 ctw.