Natural history of diamonds

Diamonds are formed deep within the Earth under extreme heat and pressure, typically about 100 miles underground. Over millions of years, geological processes can bring them closer to the Earth's surface. Carbon atoms crystallize in a specific structure, creating diamonds. Most diamonds are found in volcanic rocks called kimberlite, but they can also form in other settings. After formation, diamonds can be transported by volcanic eruptions or erosion. Natural diamonds are mined from the earth, while synthetic diamonds are created in labs. Their durability and brilliance make them highly valued in jewelry and industry.