The Emerald Glow Green pops, especially when that green is perfect emerald. Not too dark, not too light. In the search for the perfect ring stack, we realized green emeralds are a diamond's  best friend. Take your stackable rings and mix in a little (or a lot) of color. 5.0mm wide Emerald cuts are amazing. They look larger than every other shape in a carat-for-carat comparison––and they glow. Because of their long step facets, they trade traditional brilliance for a luminous glow we can’t get