The 158.20-carat rock is one of only five yellow diamonds weighing more than 100 carats ever found at Diavik in its 22-year ...

When you think of expensive gemstones, what comes to mind? Most people think of the Big Four: diamonds, emeralds, rubies and sapphires. However, it might surprise you to know that there are ...

The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that ...