1/2 Ctw Akari Oval Shape Marquise and Round Cut Diamond Semi-Mount Engagement Ring in 14K Yellow and White GoldA luminous expression of refinement, this Akari, Japanese word for 'light', semi mount diamond engagement ring is designed to frame your chosen center stone. Rising at the heart of the design are four white gold prongs, gracefully arched to embrace a . 85 Ctw to 1. 20 Ctw oval cut diamond of your choice. In the gallery, sleek rails contour the shape of the prong frame, each one adorned with 3 microscopic split prong set round cut diamonds, total 12,