Plan a grand romantic gesture with this gorgeous princess-cut lab-grown diamond engagement ring. 14k yellow gold the 3-carat princess-cut lab-grown diamond glimmers in a hidden halo of round-cut lab-grown diamonds two rows of round-cut lab-grown diamonds converge on the split shank, while more shimmer on the bridge total lab-grown diamond weight is 3 1/2 carats independently certified from the kay signature collection