Uneek Oval Diamond Halo Engagement Ring with Infinity-Style Crisscross ShankGive her a proposal that's simply unforgettable with this diamond engagement ring from Uneek's Infinity Collection. Featuring a 1. 5 carat oval diamond center surrounded by a 17 diamond halo, this ring is impressive from the first glance. The infinity style crisscross double shank features additional U pave set diamonds down only one stroke on each side, creating a striking contrast with the sleek, gleaming band.