This center stone is selected by our diamond specialists is an Oval cut lab-grown diamond(HPHT), 1.23 carats, D Color, VVS2 Clarity, EX Cut, EX Symmetry. 8.44 x 6.08 x 3.79 mm. Ratio of 1:38. IGI certificate number is LG517202017. The original IGI lab grown diamond certificate will be included.