This luxe lab-grown diamond engagement ring is the start of something beautiful. 18k white gold 2-carat emerald-cut lab-grown diamond centerpiece flanked by pear-shaped lab-grown diamonds round-cut lab-grown diamonds decorate the shank and bridge total lab-grown diamond weight is 2 1/2 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