top of page
Course Curriculum
Part 2: The ultimate online course on laboratory-grown diamonds
How to identify laboratory-grown diamonds
Welcome
-
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
Spectroscopy
-
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
-
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
bottom of page