For a yes as confident as your love, choose this dazzling certified pear-shaped lab-grown diamond engagement ring from kleinfeldâ® x zales. Crafted in sleek platinum the 1-1/2 ct. Certified pear-shaped lab-grown diamond boasts a color rank of f and clarity of vs2 and sparkles in a bold frame of round lab-grown diamonds. Marquise-cut lab-grown diamonds line the shank while round lab-grown diamonds shimmer along the gallery. This engagement ring shines with 2-1/2 cts. T. W. Of lab-grown diamonds. This style includes a qr code tag to access your gsi certification report. Designed exclusively for zales.