Win her heart with the classic look of this lab-grown diamond engagement ring. 18k white gold 1 1/2-carat round-cut lab-grown diamond centerpiece round-cut lab-grown diamonds line the top and sides of the cushion-shaped frame more round lab-grown diamonds line three sides of the shank total lab-grown diamond weight is 2 1/8 carats the independently certified center lab-grown diamond is laser-inscribed with a unique gemscribe® serial number to ensure your peace of mind from the monique lhuillier bliss collection, available exclusively at kay