Diamonds Workshop by Branko Deljanin

Identifying of Natural, Treated and Synthetic Diamonds with Standard and Advanced Instruments

Director of the CGL Canadian Gemlab Inc. laboratory in Vancouver, geologist, GC, FGA, DUG, Branko Deljanin is a world-renowned expert in the identification of natural and synthetic diamonds. He has also researched how these diamonds are treated to change their colour and has written numerous articles about this.

On June 6th and 7th, he will lead a workshop during which he will present the different types of diamonds and their characteristics, as well as the methods to be used to carry out their identification. Traditional instruments and advanced technologies will be in the spotlight.

The treatment of diamonds will be widely discussed of course, as well as the procedures for detecting and identifying them.

The Saturday 6th will be dedicated to colourless diamonds and the Sunday 7th to coloured diamonds. It is possible to register for only one day of the workshop (your choice), or for both.

The workshop will include many visual aids and a lot of practice.

Download the PDF

Identifying of natural, treated and synthetic diamonds with standard and advanced instruments

The workshop given on Friday 5th from 1 pm to 5 pm will be an intensive class on ID of Lab-grown diamonds.

This workshop will be devoted to the identification of synthetic diamonds, inclusions, thanks to various instruments. The methods of growing HPHT and CVD diamonds will also be discussed.

The workshop will also include many visual aids and a lot of practice.

Download the PDF

Who should take this course

Professionals from Canadian or abroad, who are interested in completing their knowledge of diamond identification.

Enthusiasts and novices with a solid knowledge of diamonds.

Languages and Schedule

This program is offered in English.

Friday the 5th of June from 1 pm to 5 pm.

Saturday the 6th and Sunday the 7th of June from 9am to 12.30pm and from 1.30pm to 5pm.


By phone at (514) 844-0024 or by clicking on the “I register” button on the right.


$300 + taxes for a half day (Friday 5)

$500 + taxes for one day (Saturday 6 or Sunday 7)

$900 + taxes for both days (Saturday 6 and Sunday 7)


A “Certificate of completion” will be given to participants at the end of each session.