"Pigeon Blood" refers to a specific shade of red often associated with high-quality rubies. This color is characterized by a vivid, deep red hue with a slight bluish undertone, resembling the color of blood from a pigeon. It is highly sought after in the gemstone market and is considered one of the most desirable colors for rubies. The term "Pigeon Blood" originated from the traditional gemstone trade in Burma, where the finest rubies were sourced. The color is used to describe gemstones that exhibit exceptional brilliance and saturation, making them more valuable. Collectors and jewelers often seek out this color for its rarity and beauty.