Africa's leading authority on rare colored gemstones, The Rare Gemstone Company, unveils one of its most exceptional pieces in its five-decade history--the rare 9.12 carat flawless vivid intense green ...

This brief article is a continuation of the detailed analysis we did on high-priced gems and their value. If you want more details on gemstones, read 20 Most Expensive Gemstones in the World.

A 10-carat pink diamond is expected to be sold for more than $35 million when it goes on sale at Sotheby’s, the auction house announced Wednesday. At $3.3 million per carat, it is the most expensive ...

Half a century ago, when bell-bottoms ruled fashion and disco dominated dance floors, somewhere in East Africa, Antony Zagoritis was hard at work laying the foundation for what would become a jewel in ...

CLAREMORE, Okla. — A professor and a student from RSU unearthed a rare exceptionally preserved fossil gemstone. Professor Dr. Chris Shelton and RSU student Kolby Dooling discovered a preserved ...

“Diamonds are a girl’s best friend”, as Marilyn Monroe sings, dripping in what are - presumably – imitation diamonds. Many such moments have solidified diamonds and other gems as rare, invaluable ...

The origins of vivid colors within the gemstone ammolite—a rare type of brightly colored fossilized ammonite shell—are ...

At the Autumn Fair 2025 in Hanoi, one gemstone booth stood out for displaying a series of “one-of-a-kind” pieces priced in ...