Ross-Simons - 2.00ct Princess-Cut Lab Grown Diamond Pendant Necklace. 18". Priced to please for its substantial size, our gorgeous 2.00 carat princess-cut lab-grown diamond pendant necklace makes a sensational signature style. Finely crafted in polished 14kt yellow gold and suspended from a sleek box chain. 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. Springring clasp, lab-grown diamond pendant necklace. Diamond birthstones are the perfect gift for April birthdays.