1/2 Ctw Oval Center Twisted Shank Semi-Mount Diamond Engagement Ring in 14K White and Yellow Gold A gorgeous semi mount diamond ring, this offers a visually appealing design, and a two tone look to add to its glamour. As a semi mount ring, it lets you select a center stone as per your preference, provided it is an oval cut stone, as this is what the center mount will hold. A yellow gold border surrounds the mount and is embellished with 18 pave set round cut diamonds. A curvy hexagonal shaped border runs around the yellow gold halo, and continues on to the entwined split shank. 58 pave set round cut diamonds embellish the hexagonal border and the split shank together. The ring is styled in 14 karat white and yellow gold. Total diamond weight is 1/2 ctw.