from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
The Precious Stones Course equips you with practical skills to identify, grade, and value gems confidently. You'll learn about refractive index, specific gravity, inclusions, and the 4Cs using simple tools, then distinguish natural stones from synthetics and imitations. Gain knowledge on lab reports, treatments, ethical disclosure, and market pricing to spot risks, provide accurate quotes, and make sound buying and selling choices.
Elevify advantages
Develop skills
- Gem identification using basic tools: apply refractive index, specific gravity, and loupe to quickly detect genuine stones.
- Detecting synthetics and treatments: interpret lab reports and disclosure information accurately.
- Differentiating imitation gems: distinguish between sapphire, spinel, glass, and diamond simulants.
- Rapid gemstone valuation: utilise the 4Cs and market information to determine fair per-carat prices.
- Creating professional field reports: record tests, photographs, and valuations 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 thank you 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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