Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, ...

While the console is essentially dead, the Nintendo 3DS has one of the most robust libraries stacked ... it seemed like a good idea to focus on the 3DS hidden gems that may have flown under ...

Hundreds of vendors from dozens of countries converged in Tucson, Arizona, for the annual Gem and Mineral Show, where the ...

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...