Create a classic engagement ring look with your own diamond or gemstone and this stunning lab-grown diamond semi-mount. 14k gold the mounting features lab-grown diamonds in graduated sizes flanking the prong setting classic four prong setting can hold a round diamond or gemstone from 1-1/2 to 2 ct. In size can hold a larger or shaped stone with peg change 3/4 ct. T. W. Of diamonds f color/vs2 clarity includes certification card