Red coral gemstone is a naturally occurring stone alike its contemporary pearl gemstone. It occurs inside the sea; the gemstone develops due to consistent collection or gathering of the animal skeleton. Due to the continuous collection of submarine animals and planets coral reef is being shape which looks quite identical to the branches of any plant. The branches of the coral reef are basically composed of calcium carbonate. The coral gemstone colors may range from pink up to red and mainly being used for jewelry making purposes. The coral stone is acquired in different colors like red, pink, purple, saffron, scarlet and vermilion.