(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.

Each dot in the visualization above represents the resources that Pagy consumes for one full rendering. The other gems consume hundreds of times as much for the same rendering. The IPS/Kb ratio is ...

Large quantities of rubies—both rough and faceted—from a commercially important new source in Myanmar (Burma) have been available on the Bangkok market since 1992. The ruby crystals from the Mong Hsu ...

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 ...

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

Here are five historic gemstones that continue to inspire timeless style in the world of fashion. Diamonds are famous for ...