Like your romance story, this lab-grown diamond engagement ring from the vera wang love collection is extraordinary and unforgettable. 14k white gold 4 ct. Oval-shaped lab-grown diamond center stone trapezoid-cut lab-grown diamond side stones two blue natural sapphires are the signature of the collection and a symbol of faithfulness and everlasting love certified lab-grown diamonds; f color/vs2 clarity with certification card 5-1/3 cts. T. W. Of lab-grown diamonds designed for the diamond storeâ®