She will be head over heels for this sumptuous engagement ring from the monique lhuillier bliss collection. 18k white gold features a showstopping marquise-cut diamond framed by dazzling round-cut diamonds clusters of marquise and round-cut diamonds create a striking silhouette more round-cut diamonds sparkle on the shank total diamond weight is 1 1/8 carats from the monique lhuillier bliss collection, available exclusively at kay