Peridot the August birthstone with cubic zirconia takes the form of a lovely halo engagement ring. Peridot is center stone of the ring and is situated on top of the sterling silver shank fixed in prong setting. Perfect gifting solution for the one you love.  Available Ring Size: 4.0， 4.5， 5.0， 5.5， 6.0， 6.5， 7.0， 7.5， 8.0， 8.5， 9.0， 9.5， 10.0 and No Extra Charge for Ring Size. -MBNR84371AGCZPR_5