Registered Gemologist Appraiser

The ISG Registered Gemologist Appraiser Program is the world leader in gemological and jewelry insurance appraisal education with fully migrated HTML5 mobile friendly courses you can study anywhere with any computer or mobile device. This complete program includes eight (8) courses in gemology and jewelry appraisal (listed below) that are taken through our new Individual Course Program. It includes the full Classroom-At-Home lecture series of study. This program is for those who wish to study gemology and personal property appraisal specializing in jewelry and gemstones. Successful completion of this program awards the student the ISG Registered Gemologist Appraiser title.

In order to make this program the most affordable in the industry, we offer the entire program in a course-by-course format, where you pay for each step as you go, rather than having to incur the total cost at once. Below is a breakdown of the total cost of the RGA program. There are no hidden fees and no additional charges will apply:

$195.00   Introduction to Watches Course
$195.00  Pearls Course
$295.00  Diamonds Course
$295.00  Colored Gemstones Course
$295.00  Gemology Tools and Techniques Course
$295.00  Created and Treated Gemstones Course
$295.00  Evaluating Damaged Jewelry Course
$295.00  Personal Property Appraisal Course
$395.00  RGA Practicals and Exams Module
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Total for RGA Program $2,555.00 complete

Gemological equipment is required to complete the programs. You can obtain this from any source, however a special professional quality package is available for ISG students for only $595.00 at this link: GemologyEquipment.com

Individual Course Information

To earn your ISG Registered Gemologist Appraiser Diploma you must complete the following courses and practical program:

Introduction to Watches

Course: ISG105
Lessons: 6

Pearls Course

Course: ISG106
Lessons: 9

Diamonds

Course: ISG101
Lessons: 14

Colored Gemstones

Course: ISG102
Lessons: 17

Gemology Tools and Techniques

Course: ISG103
Lessons: 16

Created and Treated Gemstones

Course: ISG104
Lessons: 14

Evaluating Damaged Jewelry

Course: ISG108
Lessons: 8

Personal Property Appraisal

Course: ISG107
Lessons: 16

RGA Program Practicals Module

To complete your RGA program you will be sent the following gemstone practical package for hand's-on practice and evaluation.

The ISG Practicals Module puts diamonds, pearls and a variety of colored gemstones in your hands to practice your skills, right in your own home. No need to make expensive and time consuming trips to take your practical like other schools. With our Classroom-At-Home program we send the gemstones, diamonds and pearls to you in a single complete package for grading and evaluation once you have completed all courses in gemology and jewelry appraisal for your RGA.  We will grade your work and help you become the finest gemologist/appraiser possible at the world’s lowest cost.

Gemological equipment is required to complete the practical, although the specific equipment needed will be at the discretion of the student. International Students may be required to place a US$800.00 security deposit before shipment.

Gem Equipment Required

Here is a list of gemological equipment you will need to complete the practicals section of the RGA Program.

The ISG Registered Gemologist Appraiser Program Practicals Module will require you to either own, or have access to, a minimum level of gemology testing equipment. These tools are crucial to your being able to complete the hands-on section of the program. Here is a list of equipment you will need. The items shown above can be purchased through GemologyEquipment.com website at discount prices for ISG Students only.

Required Equipment:

  • Polariscope with conoscope,
  • Refractometer, RI Liquid,
  • Diffraction Grating Spectroscope,
  • Calcite Dichroscope,
  • 10x Jeweler’s Louple
  • MM Gauge
  • Gemstone holder/tweezer

Exams, Certificates and Diplomas

Here is the information on how you complete the RGA program.

Certificates and Diplomas: A Certificate of Completion is awarded to the student after successful completion of each course. The Registered Gemologist and Registered Gemologist Appraiser diplomas are awarded after completing all courses, final exams, and practical exams. Final exam includes online written exam and a practical gem identification exam sent to you for completion and return to the ISG office.

Final Exams: 

  • Final Written Exam: A 90 minute timed online Theory Final Exam of 100 multiple choice and true/false questions with a required passing grade of 70% covering all course materials. Then, a
  • Final Practical Exam: a 20 stone Practical Final Exam will be sent to you to test your gemological ability to identify gemstones. International students will be required to place a refundable US$800.00 deposit with the ISG office when requesting practicals. One deposit will cover all practicals.