Millions of years ago, precious gem stones from the heart of southern Africa washed westward along the Orange River and emptied into the Atlantic Ocean. While some swept up on the beaches along the ...

For decades, the diamond world has relied on a simple assumption: that mined stones are inherently superior, rarer, and more “real” than anything produced in a lab. Yet the numbers, the science, and ...

Pink diamonds are made under extreme pressure when two continents collide. The scientists hope that understanding this will help them find new hotspots for colorful diamonds. The world's largest ...