Course Curriculum

Retailer guide to laboratory-grown diamonds

welcome to the online course in laboratory grown diamonds with Julia Griffith at The Gem Academy specialising in lab grown diamond education.

0. Welcome

  • Welcome to the course

  • Copyright notice

  • Student workbook

HPHT laboratory/lab grown diamond synthetic crystals

1. Introduction

  • Introduction

  • What are laboratory-grown diamonds?

  • Key definitions

  • Terminology for LGDs

  • Terms and definitions summary

  • The importance of disclosure

  • Correct disclosure for retail

  • Quiz

GE POL general electric high pressure high temperature HPHT BELT synthesis production apparatus

2. History

  • Introduction to production methods

  • HPHT synthesis

  • CVD synthesis

  • Historical timeline

  • Key developments in HPHT synthesis

  • Key developments in CVD synthesis

  • Summary

  • Quiz

Diagram of HPHT BARS synthetic diamond production apparatus for lab grown diamond

3. Production of HPHT LGD's

  • Objectives

  • Heat and pressure

  • Ingredients list

  • HPHT synthesis method

  • The reaction cell

  • Recipe for HPHT diamond synthesis

  • HPHT apparatus

  • HPHT multiple crystal growth

  • Summary of HPHT synthesis

  • Summary

  • Quiz

Colourless type IIa HPHT lab grown diamond cubo-octahedral crystal

4. HPHT diamond crystals and diamond types

  • Objectives

  • Crystal forms

  • Diamond types (background)

  • Diamond types summary

  • HPHT diamond types

  • HPHT diamond types summary

  • Growth times

  • Summary

  • Quiz

Metallic flux inclusions in HPHT synthetic lab grown synthetic diamond feature image by GCAL.jpg

5. Features of HPHT LGD's

  • Objectives

  • Colour

  • Clarity

  • Sizes

  • Record-breaking HPHT diamonds

  • Observational features

  • Summary

  • Quiz

CVD laboratory-grown synthetic diamond apparatus diagram

6. Production of CVD LGD's

  • Objectives

  • What is plasma?

  • Ingredients list

  • Apparatus and production method

  • Production method animation

  • Recipe for CVD synthesis

  • Mutli-stage growth

  • Summary of CVD synthesis

  • Summary

  • Quiz

CVD synthetic diamond rough crystals unpolished

7. CVD diamond crystals and diamonds types

  • Objectives

  • Crystal form

  • CVD diamond types

  • CVD diamond type summary

  • Post-growth HPHT/LPHT treatment

  • Summary

  • Quiz

8. Features of CVD LGD's

  • Objectives

  • Colour

  • Clarity

  • Sizes

  • Observational features

  • Summary

  • Quiz

what colours can be made with lab grown diamon. As-grown colours for laboaratory-grown synthetic diamonds for treated synthetic diamonds

9. Colours and treatments

  • Objectives

  • Heat and pressure

  • Ingredients list

  • HPHT synthesis method

  • The reaction cell

  • Recipe for HPHT diamond synthesis

  • HPHT apparatus

  • HPHT multiple crystal growth

  • Summary of HPHT synthesis

  • Summary

  • Quiz

10. Assessing quality of LGD's

  • Objectives

  • Assessing the quality of LGD's

  • The 4C's of LGD's

  • Grading labs and diamond reports

  • Example report: IGI

  • Example report: GIA

  • Example report: GCAL

  • Laser inscriptions

  • Pricing

  • Summary

  • Quiz

Urn for memorial diamonds made out of human ashes and hair

11. Industrial Diamonds

  • Objectives

  • History

  • Desirable properties of diamond

  • Uses for industrial diamond

  • NPD

  • Quiz

Sky diamonds that are made from CO2 in the air

12. Alternative carbon sources for  LGD's

  • Introduction

  • Memorial diamonds

  • Air diamonds

  • Final note

Online exam

  • Final test: Instructions

  • Good luck

  • Final test

What next?

  • Congratulations

  • Leave a review

  • Share your success

  • What's next?