RN0020-GR-11 rose gold two gemstone ring with london blue topaz and white topaz. 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/729-RN0020-GR-11-ring-rose-gold-london-blue-topaz.html