This center stone is selected by our diamond specialists is an Oval cut lab-grown diamond(CVD), 2.21 carats, E Color, VVS2 Clarity, EX Cut, EX Symmetry. 10.46 x 7.37 x 4.64 mm. Ratio of 1:42. GIA certificate number is 2446702347. The original GIA lab grown diamond certificate will be included.