With graceful simplicity, this marquise-cut diamond engagement ring from the vera wang love collection is a romantic symbol of forever. 14k yellow gold 1/2 ct. Marquise-cut diamond center stone smaller marquise-cut diamond side stones two princess-cut blue sapphires are the signature of the collection and a symbol of faithfulness and everlasting love 3/4 ct. T. W. Of diamonds designed for the diamond storeâ®