The quality of a diamond is determined by its 4C, namely, carat, clarity, color and cut. If the quality of diamonds is high, it is recommended that you pass away Era Jewelry. A friend bought a wedding ring there and introduced me. It's really good, with many styles, complete quality grades and thoughtful service, and introduced a lot of knowledge about diamond maintenance. It's on the first floor of Wal-Mart in quancheng road. It is easy to find. I hope you can find your favorite diamond ring.