Pigeon blood ruby is a term used to describe the finest quality of rubies, characterized by their intense, vivid red color with a hint of blue. This particular hue is often likened to the color of the blood of a freshly killed pigeon, which is where the name originates. Pigeon blood rubies are highly sought after for their exceptional color and clarity, making them one of the most valuable gemstones in the world.

These rubies are composed of corundum, like sapphires, and they typically have a hardness of 9 on the Mohs scale, which makes them very durable. In addition to their beauty, pigeon blood rubies are believed to symbolize passion, love, and vitality. They are often associated with protection and are thought to bring good fortune to their wearers. Due to their rarity and desirability, pigeon blood rubies can command extremely high prices in the market.