Blue sapphire - the signature of the vera wang love collection and a symbol of faithfulness and everlasting love - is the star in these gemstone and diamond stud earrings. Crafted in sterling silver, each earring features a 3. 2mm bright blue sapphire surrounded by a halo frame of shimmering diamonds. Radiant with 1/6 ct. T. W. Of diamonds and a brilliant buffed luster, these post earrings secure comfortably with friction backs. Designed for the diamond storeâ®.