Ross-Simons - 3.00ct t. w. Emerald-Cut Lab Grown Diamond Inside-Outside Hoop Earrings. 3/4". More dazzle than you imagined, at an incredible value. Our exceptional inside-outside hoop earrings are studded with 3.00 ct. t. w. emerald-cut lab-grown diamonds in polished 14kt white gold. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. All Ross-Simons lab-grown diamond jewelry in 14kt gold and platinum includes an IGI Laboratory-Grown D