This center stone is selected by our diamond specialists is an Oval cut lab-grown diamond(HPHT), 1.36 carats, D Color, VS1 Clarity, EX Cut, EX Symmetry. 8.71 x 6.30 x 3.95 mm. Ratio of 1:38. IGI certificate number is LG528223123. The original IGI lab grown diamond certificate will be included.