Deco Engagement Ring Oval Halo Ring 1.62TWDeco Engagement Ring A prong raised marquise shape center mount, on a plain gold shank highlights the beauty of this semi mount diamond engagement ring. Besides, it lets you choose a center stone that suits your budget and liking. The marquise shape mount features a prong raised 14 karat white gold middle, for which an oval cut center stone . Pre embellished on the marquise mount is a fancy set baguette diamond each at the top and bottom, with 4 each