RN0020-GR-21 rose gold ring with 2 gems with tanzanite. The 4mm round gems have an approximate weight of 0.46 carats and a metal weight of 6 to 8 grams. Read complete details for this gorgeous ring at http://www.jewelat.com/shop/rings/769-RN0020-GR-21-ring-rose-gold-tanzanite.html