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

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

See the best photos and get expert details on the full jewellery collection that Prince William’s daughter Princess Charlotte ...

A vagrant with 19 busts under his belt allegedly stabbed a 15-year-old boy with a corkscrew in an unprovoked Brooklyn subway attack — but the judge cut him loose without bail, The Post has learned.

The Princess of Wales has been married to Prince William since April 2011 and together they share three children: Prince George, Princess Charlotte, and Prince Louis. The family reside at Adelaide ...

What’s the Hime Cut, and Where Does It Come From? The “Hime Cut,” which literally means “Princess Cut” in Japanese, has deep roots in Japan’s history. It dates back to the Heian period (794-1185), ...

In this documentary, the artist depicts what a more just and beautiful world might look like. By Alissa Wilkinson Ke Huy Quan and Ariana DeBose play reunited former associates from a criminal ...

A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. Welcome to GIA. Students around the globe turn to GIA for the knowledge, ...