Articles & presentations

By Julia Griffith FGA DGA EG

Presentations & workshops

Ruby treatments; Flux-healing, glass infilling and lead-glass filling

Workshop, IRV conference 2016

Composite stones workshop

Gem-A ATC in Tokyo, 2017

International Jewellery London (IJL), 2016

Ruby or not ruby? Lead glass-filled ruby

Workshop, IRV conference 2017

Diffusion Confusion; Titanium and beryllium

Fluorescence; The colours you can't see

International Jewellery Tokyo (IJT), 2017

Webinar presentations

Diamond myths and misconception series

Watch these webinars (priced from £6+)

Are diamonds really forever?

jewelleryadvisor (former brand), August 2020

The rarity of diamonds

jewelleryadvisor (former brand), August 2020

Diamond formation

jewelleryadvisor (former brand), August 2020

The world's most expensive gemstones

jewelleryadvisor (former brand), August 2020

The rarest gems in the world

jewelleryadvisor (former brand), August 2020

Gem-A LIVE

Watch these webinars

Lead glass-filled rubies & sapphires

Gem-A LIVE, April 1st 2020

Composite gemstones

Gem-A LIVE, April 8th 2020

Beryllium diffusion in corundum

Gem-A LIVE, May 6th 2020

Laser drilled diamond

Gem-A LIVE, May 20th 2020

Flux-healed rubies

Gem-A LIVE, April 15th 2020

Fracture filling in gemstones

Gem-A LIVE, May 27th 2020

Fluorescence

Gem-A LIVE, April 22nd 2020

Manmade stones explained

Gem-A LIVE, June 10th 2020

Titanium diffusion in sapphire

Gem-A LIVE, April 30th 2020

Gems of the UK

Gem-A LIVE, June 17th 2020

Others

The culture of webinars

Field gemmology webinar series by Vincent Pardieu and Justim Prim, September 2020

An introduction to gemstone treatments

National Association of Jewellers (NAJ) Virtual conference, November 2020

Laboratory-grown diamond; Diamond types and how they link to testing and identification

jewelleryadvisor (former brand), August 2020

False readings; colourless HPHT laboratory-grown diamonds that are semi conductors of electricity

Jewellery Valuers Association (JVA) members talk, December 2021

NAJ Virtual conference, February 2021

Would you like me to present a talk to your gemmological community? I love to here from you.

Please contact me here

Educational YouTube videos

Comparing lustre of gems

jewelleryadvisor YouTube (former brand), 2020

The link between macles and octahedrons

jewelleryadvisor YouTube (former brand), 2020

How to identify fracture filling in diamond

jewelleryadvisor YouTube (former brand), 2020

How rare are diamonds?

jewelleryadvisor YouTube (former brand), 2020

Top 4 gems for engagement rings

jewelleryadvisor YouTube (former brand), 2020

Can we destroy diamonds

jewelleryadvisor YouTube (former brand), 2020

Easy ways to clean silver

jewelleryadvisor YouTube (former brand), 2020

Uncut gems - discussion of the opal

jewelleryadvisor YouTube (former brand), 2020

Gem-A "How to" series

written and presented by Julia Griffith FGA DGA EG

How to use the 10x loupe

Gem-A YouTube, 2020

How to use stone tongs

Gem-A YouTube, 2020

How to use the polariscope

Gem-A YouTube, 2020

How to use the conoscope

Gem-A YouTube, 2020

How to use the refractometer

Gem-A YouTube, 2020

Gem-A YouTube, 2020

How to use the London dichroscope

Articles

External podcasts

Also mentioned in:

 HITC 

JOTT

Lab-grown diamond online course

Check out blog articles

Take me to the podcast