Capture their heart with this sophisticated oval-shaped diamond and blue sapphire engagement ring from the vera wang love collection. 14k white gold 3/8 ct. Oval-shaped diamond center stone pear-shaped blue sapphire collars two princess-cut blue sapphires set into the gallery are the signature of the collection and a symbol of faithfulness and everlasting love 5/8 ct. T. W. Of diamonds designed for the diamond storeâ®