AAA Highest Quality Asscher Cut Cubic Zirconia , IGI certified Center Stone Ring. This engagement ring's center stone is set in claw prong setting, with elongated prongs at the edges, the 5 carat asscher cut is 10 mm by 10 mm in dimensions. It is surrounded by a square halo, that's set with small pave set stones. The Split shank is jeweled with small paves as well.