from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
The Precious Stones Course equips you with practical skills to identify, grade, and value gems confidently. Learn about refractive index, specific gravity, inclusions, and the 4Cs using basic tools, then differentiate natural stones, synthetics, and imitations. Understand lab reports, treatments, ethical disclosure, and real-world pricing to spot risks, provide accurate quotes, and make informed buying and selling decisions.
Elevify advantages
Develop skills
- Gem identification with basic tools: use RI, SG, and loupe to spot genuine stones quickly.
- Spotting synthetics and treatments: interpret lab reports and disclosure notes clearly.
- Comparing imitation gems: distinguish sapphire, spinel, glass, and diamond simulants.
- Quick gemstone valuation: apply the 4Cs and market data to set fair per-carat prices.
- Building professional field reports: document tests, photos, and values for business 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 say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...

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

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

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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