18k White Gold Cushion Aquamarine & Diamond Ring Size 6 Ct.tw 4.92 Hand made and hand crafted by master jeweler in USA Gold in our products is produced in more socially and environmentally responsible ways The cost of natural aquamarine varies depending on their color, clarity, size, cut, and overall quality  as well as their geographic origin. We guarantee that these diamonds are conflict free based on written guarantees by our suppliers The gold in our products is produced in more socially and environmentally responsible ways