RN0020-GY-18 yellow gold ring with two gemstones with sky blue topaz and diamond. The 4mm round gems have an approximate weight of 0.24 carats and a metal weight of 6 to 8 grams. Read complete details for this gorgeous ring at http://www.jewelat.com/shop/rings/756-RN0020-GY-18-ring-yellow-gold-sky-blue-topaz.html