Bottom Line Buying an Emerald is much less technical than buying a diamond. Diamond's are treasured for their brilliance while emeralds are loved for their color. Since it's all about the color, you need to buy your emerald from a site that has high quality images of their stones, like Leibish & Co. Emeralds are. read more
Emerald vendors generally accept the use of oil, but do not look favorably upon green-tinted oil. All emeralds sold should have full disclosure of treatment according to the US Federal Trade Commission. Cut. As with diamonds, the cut of the emerald refers to its faceting, shape, width and depth. read more