Emerald is the most expensive emerald and is called the king of emeralds. It is a very precious gem and one of the four precious gems recognized by the international jewelry industry. The best emeralds are produced in Colombia, South America. Emeralds produced in this recognized high-quality gem producing area have excellent crystal clear emerald green, which is strong but never gaudy. On the contrary, it gives people a noble feeling. Colombian emeralds are highly praised all over the world, even the obvious inclusions are acceptable, and the price is much higher than that of emeralds produced in other countries, which can be described as a famous brand among emeralds.