RN0020-GW-04 white gold 2 stone ring with blue sapphire and diamond. The 4mm round gems have an approximate weight of 0.25 carats and a metal weight of 6 to 8 grams. Read complete details for this gorgeous ring at http://www.jewelat.com/shop/rings/699-RN0020-GW-04-ring-white-gold-blue-sapphire.html