These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...

If you’re thinking of selling a diamond — or buying one and wondering if it will hold its value — you’re probably asking the right question: What is the diamond resale value and how can I get the best ...

A tale of two tiaras: In the high-stakes world of serious collecting, the true value of a jewel lies not just in its sparkle but in its story. Bettmann Archive/Getty Images For centuries, diamonds ...