RN0020-GR-20 rose gold two gemstone ring with tanzanite and pink sapphire. The 4mm round gems have an approximate weight of 0.48 carats and a metal weight of 6 to 8 grams. Read complete details for this gorgeous ring at http://www.jewelat.com/shop/rings/765-RN0020-GR-20-ring-rose-gold-tanzanite.html