0.16 ctw Diamond Hidden Halo Engagement RingThis hidden halo solitaire ring from The Signature Collection by Continental Diamond is crafted in 14K yellow gold with a 4 prong setting designed to hold a 2. 50 carat round center. The ring features 16 bead set round diamonds totaling 0. 16 carats. The accent diamonds are graded FG color and VS clarity. Center sold separately. Available by special order in other metals, shapes, and sizes.