GCS
Graduate Colored Stones Online
Students explore more than 60 species of common and collector gemstones found in the marketplace. Subjects covered include the GIA Colored Stone Grading System, gemstone formation, composition, sources and how to distinguish natural, treated and laboratory-grown gemstones.
What You'll Learn
- Build a knowledge base about colored stones and the colored stone market
- Use gemological equipment effectively to identify gemstones
- Use the GIA Colored Stone Grading System to evaluate gemstone quality
- Recognize how quality, rarity and color affect value
- Determine how market factors affect gem value
- Understand how gems are mined, fashioned and brought to the marketplace
Possible Career Paths
- Colored Stone Grader
- Colored Stone Assorter
- Appraiser
- Auction House Jewelry Specialist
- Colored Stone Buyer
- Estate Jewelry Dealer
- Jewelry Business Owner
- Jewelry Buyer
- Jewelry Sales Professional
- Pawnbroker
- Retailer
- Wholesaler
Topics Covered
Here are some of the topics covered in the Graduate Gemologist® online diploma coursework
COLORED STONES & COLORED STONE GRADING
Learn the characteristics of colored stones, with a focus on ruby, sapphire, and emerald
GEM IDENTIFICATION
Identify more than 60 species of gemstones, distinguish natural from laboratory-grown gems, and detect gem treatments.
EQUIPMENT & INSTRUMENTATION
Learn diamond identification and grading skills GIA graders use.
TREATMENTS, LABORATORY-GROWN & IMITATIONS
Identify gemstones that have been laboratory-grown, treated or are imitations.
MARKETS & SUPPLY CHAINS
Understand how market factors and the supply chain affect value.
GET STARTED
How to Earn the Graduate Colored Stones Online Diploma
Enroll and complete two online courses and two lab classes.
We recommend this sequence to maximize your comprehension of key concepts and course objectives:
GEM 220 – Colored Stones Online Course
GEM 220L – Colored Stone Grading Lab Class
GEM 240L – Gem Identification Lab
GEM 240 – Gem Identification Online Course
SELECT A COURSE OR LAB CLASS ABOVE TO LEARN MORE AND APPLY
View the Online Diploma Requirements Chart