Live Online Seminar

Introduction to Colored Stones Seminar

Garnet Quality Factors
Colored gemstones come in almost every color imaginable as shown with this group of garnets. There are a variety of factors that contribute to assessing the quality and value of these beautiful gems.

Essential knowledge for buying and selling colored gemstones

The popularity of colored gemstones continues to grow. This seminar will introduce the core concepts that buyers and sellers of these gems should know to have informed discussions with their customers, including how to identify and explain the key attributes of colored gems, the factors that determine a gem’s value, common treatments applied to gems and how to translate characteristics into compelling features and benefits.

Participants are encouraged to ask questions as they are guided by GIA gemology instructors who will share their expertise through illustrations, images and lecture. This course is ideal for sales associates, colored gemstone investors and enthusiasts.

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Learn important concepts that can help you evaluate the quality of a variety of colored stones. Courtesy: Indojewels Inc.


Each online seminar is two hours. New dates may be added throughout the year. The number of attendees will be limited to ensure the best experience for attendees.

  • April 28, 2021; 10 a.m. to 12 p.m. (Pacific Time)

This live seminar will be delivered through an online learning platform.


$195 USD (GIA Alumni receive a 10% discount)


Please complete the online registration form. You will be provided information about how to access the platform after your registration is confirmed.

GIA’s continuing education offerings are considered avocational or recreational in nature and are not intended to prepare individuals for entry-level employment. They are non-credit bearing and do not lead to a GIA academic credential. They are not eligible for state or federal student financial aid programs and do not fall under the approval of the Accrediting Commission of Career Schools and Colleges (ACCSC) or the Distance Education Accrediting Commission (DEAC).

Dates, course content and instructors are subject to change.