Natural Red Coral AAA Graduated beads 4-8 mm Necklace. 14K gold clasp Hallmarked. Health & Physical Benefits: *Immunity: May boost white blood cell production, fight infections, and strengthen the immune system. *Blood & Circulation: Believed to improve blood circulation, regulate blood pressure, and benefit blood-related issues. *Bone Health: Contains calcium carbonate, thought to help with osteoporosis and bone marrow. *Digestive Health: May improve digestion and nutrient absorption.