If emeralds are a queen’s gem, then rubies are a king’s stone. In Sanskrit, the word for ruby is ratnaraj, meaning king of precious stones.

Gems in a bottle: For scientists, precious stones hold messages from Earth's molten heart Stones like emeralds, sapphires and rubies are more than just financially valuable or aesthetically valued.

Thailand-based Tairus, which was cofounded by Russian businessman Walter Barshai in 1989, has developed a hydrothermal HPHT process for making synthetic emeralds and other gems.

The people of Boyacá, in central Colombia, still bear the stigma of the so-called ‘green wars’ that ended with a peace ...

The Gold Rush era may be over, but real American treasure is still out there waiting to be found. This video counts down 10 ...

India has an abundance of mountains from where most stunning precious gems are mined. From rubies and emeralds to garnets and ...

"Mandarin garnet" specimens are the most in demand and the most expensive. Spessartine gem quality stones are rarely larger than 5 to 7 carats in weight. The mineral is also found in Africa, India, ...

The 1997-98 Metal Universe Precious Metal Gems Emerald Kobe Bryant card overtook the 1996-1997 Kobe Bryant rookie card that sold for $1.795 million USD at Goldin Auctions in March 2021.