Since it has a slightly lower degree of hardness compared to diamond, it is prone to chipping. Therefore, it is difficult to cast it as a jewelry diamond, making emeralds comparatively costlier than other gemstones.       Myths and Beliefs There are several beliefs and myths regarding emeralds all around the world. It is believed that placing the gemstone underneath your tongue will help you see into the future. It is also thought that emerald enhances memory and improves intuition. Besides, the gemstone was used in ancient times to determine whether someone’s statement was true or false. The Worth of Emerald Gemstone The factors that help determine its worth are color, cut, carat weight, and clarity, with the most pivotal one being color. The green hue of emeralds is a deciding factor for evaluating the worth of the stone. Even a slight deviation from the typical Vivid Green would bring down the costs of emerald engagement rings. However, such stones would be a good pick for diamond and emerald rings.