Not quite sure if your gal will be receptive to a green rock? Combine the lovely characteristic of an emerald cut and give her emerald cut diamond engagement ring. Emerald cut engagement rings give a glassy and elegant look that is sure to convince her that you are the one. Keep in mind that, fancy shaped diamonds never return light as well as round diamond cuts. Make sure you purchase an emerald cut engagement ring that is crafted by and expert. In terms of cut, even the slightest defect can negatively impact the stone. In fact, of all the fancy diamond cuts, it is easiest to see inclusions and flaws in an emerald diamond cut. Even SI inclusions can be seen with the naked eye due to the large window facets.