View the holiday schedule for all GIA locations worldwide.

Please read. This calculator is intended to provide estimated net price information (defined as estimated cost of attendance - including tuition and required fees, books and supplies, room and board ...

Additional information about the estimated cost of attendance for the Graduate Gemology Program, Graduate Jeweler Program or Jewelry Design and Technology Program.

Thousands of years ago, red garnet necklaces adorned the necks of Egypt’s pharaohs, and were entombed with their mummified corpses as prized possessions for the afterlife.

The online gem & jewelry job board connects top talent with the jewelry industry’s leading companies. Discover your dream job or find qualified job seekers.

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...

This jadeite "Peiyao" (Chinese Fu dog) represent mythological creatures that guard and protect celestial palaces and entrances. - Gift of Sophie Leu Jade has been cherished for thousands of years.

Diamond is available in a range of sizes and qualities to fit every consumer's tastes. One of the first things most people learn about diamonds is that not all diamonds are created equal. In fact, ...

Learn about sapphire's durability and how to care for your sapphire jewelry.

The carat, the standard unit of weight for diamonds and other gemstones, takes its name from the carob seed.

Every GIA diamond grading report contains an assessment of a diamond’s polish and symmetry, which are contributing factors in determining the overall quality of a diamond’s finish. This guide explains ...

Typically, turquoise is judged on three basic quality factors: color, texture and the presence or absence of matrix. Learn more about turquoise and what makes this gem so sought after!