Beyond diamonds, emeralds and rubies, there exists a category of stones so rare — whispered about in auctions, sought after by museums— that even the wealthiest collectors may never encounter them ...

A Carthage man may have unearthed one of the world’s rarest gemstones not in a mine, but in his own front yard.

The stone, first discovered in Russia in the 1800s, is rarely found outside a handful of places such as the Ural Mountains, ...

When someone says “gemstone,” diamonds and rubies probably pop into your head first. There’s no denying that they’re rockstars of the jewelry world. However, apart from them, there’s a whole lineup of ...

CICERO, Ind. (Hamilton County Reporter) — Dean Caldwell of Cicero has been mining opal and obsidian for six months of the year in Mexico for the last 15 years. Last year, he pulled an opal out of the ...

Explore the world’s rarest gemstones and discover how rarity shapes their investment value, cultural legacy, and appeal among ...