Diamonds and emeralds might dominate the limelight, but there exists a world of gemstones so rare and valuable that they are the stuff of legends. What exactly makes a gemstone rare and valuable? It's ...

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 ...

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 ...

CARTHAGE — 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 that in 2016, he found an unusual black rock ...

HONG KONG (Reuters) - One of the rarest gems in the world, a flawless blue diamond, has sold for US$7.98 million (3.91 million pounds) at a Sotheby's auction in Hong ...

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 ...