When it comes to the world of high jewelry—or haute joaillerie as it’s known—the most rarefied strata of jewelry rise to the top. Similar qualifiers describe fancy green diamonds: incredibly rare, ...

In the world of gemstones, their value transcends mere beauty. The true worth lies in their rarity, scarcity, and the fascinating narratives that accompany each stone. While diamonds and rubies are ...

They may not be as “precious” as diamonds or emeralds, but these scarce gems are just as valuable—if not more so. Tanzanite is a beautiful blue variety of the mineral zoisite and found only in a small ...

Back in the day people were more relaxed about moving precious stones around the world. Consider, for example, the low-key arrangements for the famous Jonker diamond, which was shipped by ordinary ...

The Smithsonian's National Museum of Natural History acquired one of the world's rarest gemstones.Natural red diamonds are some of the rarest gems on Earth, and the Winston Red Diamond is exceptional ...

Across the hills of Kenya and Tanzania, two gemstones capture the continent’s natural brilliance and enduring mystique: Tanzanite and Tsavorite. Both discovered within a few years of each other in the ...

A Carthage man may have unearthed one of the rarest gemstones in the world — not in a mine, but in his own front yard. Robert Lewis Jr. says he found an unusual black rock just steps from his home ...