(PRESS RELEASE) The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International ...

Known for its deep red hue, rubies are highly prized and valued at around $4,625 per carat. One of the hardest and most sought-after gemstones, diamonds cost approximately $9,502.13 per carat. A light ...

Three jewellery industry associations have released a joint statement expressing concern about the presence of irradiated rubies and sapphires in the global market.

Robert E. Kane, Shane F. McClure, Robert C. Kammerling, Nguyen Dang Khoa, Carlo Mora, Saverio Repetto, and Nguyen Duc Khai, John I. Koivula ...

DODOMA: TANZANIA and Thailand have signed a cooperation agreement to promote knowledge sharing, research collaboration and ...

During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges ... enhanced the color and clarity of huge ...

The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International Colored Gemstone ...

Sophia Bush went for a bold gemstone color scheme at the 2025 GLAAD Media Awards, which took place in Los Angeles on Thursday ...