This magnificent lab-grown diamond engagement ring matches your bride's one-of-a-kind style. 14k yellow gold a 1 1/2-carat marquise-cut lab-grown diamond captivates at the center round-cut lab-grown diamonds sparkle around the halo and on the shank graduated sizes of marquise-cut diamonds sweep along bypass-style curves total lab-grown diamond weight is 2 3/4 carats independently certified from the adore® bridal collection