4 to 360h flexible workload
certificate valid in your country
What will I learn?
The Precious Stones Course gives you practical skills to recognize, grade, and value gems with confidence. Learn refractive index, specific gravity, inclusions, and 4Cs using basic tools, then compare natural stones, synthetics, and look-alikes. Understand lab reports, treatments, ethical disclosure, and real-world pricing so you can identify risks, support accurate quotes, and make informed buying and selling decisions.
Elevify advantages
Develop skills
- Gem ID with basic tools: use RI, SG, and loupe to spot real stones fast.
- Spot synthetics and treatments: read lab reports and disclosure notes clearly.
- Compare look-alike gems: separate sapphire, spinel, glass and diamond simulants.
- Quick gemstone valuation: apply 4Cs and market data to set fair per-carat prices.
- Build pro field reports: document tests, photos, and value for studio decisions.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students are saying
Your classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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