Our magnificent 5.00 ct. t.w. round brilliant-cut lab-grown diamond stud earrings are truly exceptional in both size and sparkle. Expertly set in brightly polished platinum for an unforgettable presence and optimum glow. 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 (excluding RS Pure designs) includes an IGI Laboratory-Grown Diamond Report to verify color, clarity and carat weight. Post/clutch, lab-grown diamond stud earrings.