Channel set, prong set, or pavé set - surround your center stone with a beautiful row of diamonds by choosing a stunning Halo Engagement Ring. Build you halo ring from a variety of center stone shapes including round, oval and princess cut. Choose from lab grown diamonds, lab created gemstones or our Diamond Hybrid Simulant. Halo Set Engagement Rings are especially sought after when using smaller center stones, as they create the illusion of a larger size.