White gold diamond semi-mount engagement ring containing as the center a round cubic zirconia secured by prongs that are surrounded by a cushion shaped halo of diamonds in a single row with a milgrain edge. The shoulders of the ring each contain diamonds in a single row with a milgrain edge. Visible from the sides, the ring features an open work vintage inspired design with milgrain containing round cut diamonds. Under the bridge of the ring are three round cut diamonds on each side. The remainder of the band is of high polish white gold.