0.42 ctw Diamond Halo Engagement RingThis 18KT white gold semi mount ring features a 4 prong setting for a 1. 00ct oval center, framed by a classic halo. The 2 row infinity shank is adorned with 65 prong set round GH VS2 diamonds totaling 0. 42ctw, offering elegant sparkle from every angle. Center sold separately. Available by special order in other metals, shapes, and sizes.