A testament to true love, this lab-grown diamond engagement ring is everything your future bride has been wishing for. 18k yellow gold a 4-carat marquise-cut lab-grown diamond is the stunning center of attention round and marquise-cut lab-grown diamonds adorn the scalloped shank a signature element of lab-grown diamonds and milgrain detailing encircles the band, symbolizing unity and eternal love total lab-grown diamond weight is 4 5/8 carats independently certified this ring is available in limited sizes; if you don't see your size here, please visit a store to order your ring from the monique lhuillier bliss collection, available exclusively at kay