Usually, what springs to mind when you think of the world’s most expensive substances are gold, silver, and platinum. However ...

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 ...

Colombia produces the world's most expensive emeralds. The highest-quality stones can be worth tens of thousands of dollars per carat. Miners have fought over these treasures for centuries ...

Her most remarkable piece came from Alex Rodriguez in 2019, who presented her with a 16-carat emerald-cut diamond valued at $1.8M. However, her previous engagement rings, per Town & Country ...