Learn about many common diamond color and clarity treatments.
Many treatments have been developed to attempt to enhance a diamond’s color and clarity. A treated diamond may still be a beautiful and valuable gem, and ideally, the treatment is disclosed during the sales process; however, that may not always be the case. Understanding how to identify these treatments is important to help protect the value of the gems for both buyers and sellers, as well as maintaining the trust between a customer and retailer.
This seminar will introduce the most common treatments applied to diamonds in today’s market, with a focus on the treatments that can be reliably identified using standard gemological tools. Using a camera-equipped microscope, instructors will demonstrate identification techniques and how they examine diamonds treated for clarity enhancement. More advanced color treatments, which will often require advanced instruments to identify, will be covered briefly.
This seminar is ideal gem and jewelry professionals, retailers, sales associates, jewelry enthusiast and appraisers.
This seminar will also cover:
- How to identify the clarity treatments such as laser drilling and fracture filling.
- The challenges involved in the conclusive identification of some treatments.
- Situations for consulting a gem laboratory for reliable treatment identification.
Participants will be provided a digital reference guide and are encouraged to ask questions as they are guided by a GIA instructor who will share their expertise through illustrations, images and lecture.
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 possible.
- Nov. 3, 2021; 10 a.m. – 12 p.m. Pacific Time
This live seminar will be delivered through an online learning platform.
$195 USD (GIA Alumni receive a 10% discount)
form. You will be provided information about how to access the platform after your registration is confirmed.Please complete the online registration
The continuing education offerings offered by the GIA Alumni Association™ 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).
Course content, instructors and schedules are subject to change.