From Tanzanite to Benitoite, this article unveils the five rarest gemstones in the world that hold more than vibrant colors.

was to find rare examples of natural color in gems more than 100 carats that the world had never seen before. (Well, in the case of Jonker 1, not for several generations.) Although there is a ...

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Explore the timeless allure of the world’s most expensive diamonds. Learn about their value, rarity, and why they’re ultimate ...

The US Mint initially made this coin with a composition consisting of 90% silver. Specimens with it’s intricate design well ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...

The Sotheby’s Magnificent Jewels sale achieved £23.5m this month, with rare gemstones and white diamonds in high demand ...