GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological …

Practice identifying more than 60 species of gemstones, distinguishing natural from laboratory-grown gems and detecting gem treatments. You will carry out testing procedures and …

Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

GIA is the world’s most trusted name in diamond grading and gemstone identification.

Feb 7, 2025 · Infrared spectroscopy, specifically FTIR analysis, measures atomic vibrations to determine identity, cause of color, and potential treatments by analyzing how a gemstone …

The GIA Identification Report describes whether the stone is natural or laboratory-grown, identifies the type of gemstone, and includes any detectable treatments.

To enrich your the gemological opportunity to knowledge, learn more a list about of G&G the subjects articles are studying Gem Identification assignment is provided below.

2 days ago · Gem Identification Practice procedures and skills to identify a wide range of natural, synthetic and imitation gemstones. Learn More

View All GemsGIA is a nonprofit 501 (c) (3) organization. All rights reserved.

Practice identifying more than 60 species of gemstones, distinguishing natural from laboratory-grown gems and detecting gem treatments. You will carry out testing procedures and …