Red coral is a precious, deep-sea organic gemstone formed by marine polyps in the Mediterranean Sea, characterized by its vibrant red, calcium carbonate skeleton. Highly valued for jewelry and amulets, it grows slowly (only a few millimeters annually) at depths of 10–800 meters.
This 11x9mm stone cabochon is set into an ornate adjustable sterling silver ring that will best fit sizes 7 - 9
