Which type of coral is particularly sought after for its color and rarity?

Red coral is particularly sought after for its vibrant color and rarity in the gemstone market. The deep red hue of red coral is highly valued, especially in jewelry, due to its rich visual appeal. Additionally, red coral is derived from specific types of coral species that grow slowly and are found in limited locations, which adds to its rarity. The demand for red coral has led to its classification as a precious gemstone.

In contrast, while black, yellow, and blue corals do exist, they do not possess the same level of desirability in the gem market. Black coral, for instance, is usually valued for its unique appearance but lacks the vivid coloration that garners enthusiasm among gem enthusiasts. Yellow and blue corals are less common as gemstones and typically do not have the same cultural and historical significance as red coral, which has been used in jewelry for centuries and is often associated with traditional beliefs and practices in many cultures.