Course Curriculum

Part 2: The ultimate online course on laboratory-grown diamonds

How to identify laboratory-grown diamonds


  • Welcome to the course

  • Copyright notice

  • Note regarding equipment

  • Glossary PDF download

0. Introduction

  • Introduction

  • The difference between natural and laboratory-grown diamonds

  • Logic of testing

1. Observations: Natural vs laboratory-grown diamonds

  • Objectives

  • Crystal forms

  • Crystal gallery

  • Inclusions

  • Graining

  • Colour zones

  • Blue nuance

  • Laser inscriptions

  • Summary cheatsheet PDF

  • Step-by-step guide for identification

  • Summary

  • Quiz

2. UV testing

  • Objectives

  • UV testing

  • UV equipment

  • Defects and fluorescence

  • Common UV responses

  • Video example of fluorescence and phosphorescence

  • Colourless diamond UV responses

  • Yellow diamond UV responses

  • Blue diamond UV responses

  • Pink diamond UV responses

  • Cubo-octahedral fluorescent patterns in HPHT LGD's

  • Orange phosphorescence in HPHT

  • Summary

  • Quiz

3. Other basic tests

  • Objectives

  • Magnetism

  • Testing for magnetism on water

  • Magnetism in natural diamonds

  • Electrical conductivity

  • Strain effects

  • Strain effects - cheatsheet

  • Video examples of strain

  • Cautions: strain effects

  • Step-by-step guides of identification

  • Summary

  • Quiz


  • Introduction

  • Spectroscopy explained

4. Screening equipment

  • Objectives

  • What does screening equipment do?

  • Types of screening equipment

  • Screening equipment summary sheet

  • Equipment sheets

  • PL-Inspector

  • GemPen®

  • DiamondSure™

  • DiamondSure™ equipment sheet

  • UV transparency testing

  • Synthetic Diamond Screener II (SMSII)

  • Photoluminescence spectroscopy

  • GIA iD100®

  • GIA iD100® equipment sheet

  • EXA™

  • EXA™ equipment sheet

  • Phosphorescence imaging

  • SYNTHdetect

  • Sherlock Detector

  • PhosView

  • Step-by-step guide for identification

  • Quiz

5. Advanced testing

  • Objectives

  • FTIR spectroscopy

  • FTIR spectra

  • FTIR absorption lines

  • UV-Vis-NIR spectroscopy

  • UV-Vis-NIR spectra

  • UV-Vis-NIR absorption lines

  • PL spectroscopy

  • PL spectra

  • PL emission lines


  • EDXRF - the science

  • DiamondView

  • Summary sheet

  • Step-by-step guide

  • Summary

  • Quiz

6. Testing melee diamonds

  • Objectives

  • Bulk screening for loose melee

  • Testing smaller diamond parcels and set melee

  • Magnetism

  • UV testing

  • Quiz

Online exam

  • Final test: Instructions

  • Good luck

  • Final test

What next?

  • Congratulations

  • Leave a review

  • Share your success

  • What's next?


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There you have it! Start learning gems and gemmology with The Gem Academy's online courses. We specialise in niche topics... Our first course is on laboratory-grown diamonds (also known as synthetic diamonds, lab-grown diamonds, or lab-created diamonds). This course on LDG's covers everything you could need to know. From the history of lab-grown diamonds, to a thorough knowledge of their creation and production. A whole course is set aside to cover the practical elements of this online course- which focuses on how to identify a laboratory grown diamond. It's amazing! The best (and cheapest) course around. This course is also CPD accredited. Signing up is simple. Start your learning journey today with fastest growing online education platform in gemology; The Gem Academy.