1/6 Ctw Entwined Shank Semi-Mount Round Cut Diamond Engagement Ring in 14K White Gold A remarkable design highlights the beauty of this semi mount ring. As its name suggests, the ring is semi mount, meaning there is no center stone installed in it. This feature allows you to choose the size of the center stone, which can ranging from 0.15 carat to 0.25 carat. The rest of the ring comes embellished, showcasing a twisted shank with a plain white gold arm twining around another arm, which is encrusted with 38 prong set round cut diamonds. The beautiful semi mount ring is styled in 14 karat white gold. Total diamond weight is 1/6 ctw.