This hidden-frame engagement ring in platinum from the vera wang love collection shimmers with lab-grown diamonds beneath the center stone. Platinum 3 ct. Princess-cut certified lab-grown diamond color rank of f and clarity of vs2 lab-grown diamond twist shank and hidden frame inside the band, two natural blue sapphires are the signature of the collection and a symbol of faithfulness and everlasting love 3-3/8 cts. T. W. Of lab-grown diamonds includes certification card designed for the diamond storeâ®