USGI Newsletter Archive

Welcome to the USGI Newsletter Archive. Here you will find the lasted news and announcements from the United States Gemological Institute. We welcome your suggestions, comments, and recommendations of new topics for us to cover. Thank you for being a part of the USGI Community. 

Zona Libre de Colon. The story never told.

AGTA Hobbles their Dealers…and Buyers

Appraisers -v- Gem Labs: A Legal Imbalance

Black Diamond or Created Moissanite

Career in Gemology and Jewelry Appraisal?

Cremation Diamonds: Insurance and Litigation

Ebay, the GIA, and Section 230

Exposing the Truth About Lab Created Diamonds

Following the Critical Angle of Diamond Grading

The Story of Sapphire

The Story of Petrol Quartz

The Story of Petrol Quartz

The Story of Time

The Story of Freshwater Pearls

The Story of Agates and Jaspers

Susan Bailey v. Franz Jewelers, et al

The Story of Blue Topaz

The Story of Tibet Andesine

The Story of Oregon Sunstone

The Story of Created Moissanite

Identifying Lab Created Diamonds

Lessons from the Angry Janitor

Exposing the Truth About Lab Created Diamonds

Understanding the Classification of Diamonds

Cremation Diamonds: Insurance and Litigation

Let’s Talk About Gemology Credentials

Hometown Jewelers and the Force Majeure Clause

Following the Critical Angle of Diamond Grading

Let’s Open a Refractometer

Measuring the Energy of Light

Quick Reference Guide to Sunstone

Turquoise Investigation by the USGI

Appraisers -v- Gem Labs: A Legal Imbalance

The Story of Ruby