This lab-grown diamond engagement ring is a glittering gift of the truest love. 18k yellow gold a 1/2-carat oval-cut lab-grown diamond is wrapped in a halo of round diamonds and 18k white gold another halo of lab-grown diamonds completes the oval-shaped centerpiece marquise-cut lab-grown diamonds flank the center, while round lab-grown diamonds decorate the shank and bridge a signature element of lab-grown diamonds and milgrain detailing encircles the band, symbolizing unity and eternal love total lab-grown diamond weight is 1 1/3 carats independently certified from the monique lhuillier bliss collection, available exclusively at kay this ring is available in limited sizes; if you don't see your size here, please visit a store to order your ring