RN0020-GR-04 rose gold two gemstone 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/701-RN0020-GR-04-ring-rose-gold-blue-sapphire.html