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 wideThe Emerald Glow 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…