Crystal inclusions in a natural diamond resemble a unique scene.

A rare find of Moroccan amethyst with eye-visible fluid inclusions is spotted at the Pueblo show.

Crystal inclusions in a natural diamond resemble a unique scene.

Crystal inclusions in a natural diamond resemble a unique scene.

An overview of the Spring 2025 Gems & Gemology content.

Crystal inclusions in a natural diamond resemble a unique scene.

Beginning later this year, GIA will start using descriptive terms to characterize the quality of laboratory-grown diamonds

Beginning later this year, GIA will start using descriptive terms to characterize the quality of laboratory-grown diamonds.

Learn about the principles, mechanisms, and characteristics of luminescence that create the impressive and memorable glow of gemstones.

GIA is introducing an expanded approach to evaluating nacre on all pearl classification reports

Young students anywhere in the world can now experience the wonder of gems and minerals with GemKit™ by GemKids®, an online treasure trove of information and activities from GIA®, the Gemological Institute of America, the 90-year-old global leader in gem and jewelry education.

Young students anywhere in the world can now experience the wonder of gems and minerals with GemKit™ by GemKids®, an online treasure trove of information and activities from GIA®, the Gemological Institute of America, the 90-year-old global leader in gem and jewelry education.

GIA will temporarily expand services offered by the GIA Laboratories DMCC and the GIA Hong Kong laboratory.

GIA will temporarily expand services offered by the GIA Laboratories DMCC and the GIA Hong Kong laboratory.

Neuroscientist and perception expert Dr. Beau Lotto will be the opening keynote speaker at Converge

GIA and the Gianmaria Buccellati Foundation recently recognized the exceptional talent of GIA jewelry design students worldwide with the eighth Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design.

The gemological community mourns the loss of the legendary gemstone cutter and carver, Glenn Lehrer.

The life of renowned Scottish gemologist Alan Hodgkinson is remembered.

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin determination for natural and laboratory-grown diamonds, colored stones, and pearls.