LINKS

Diamond information

https://geology.com/articles/diamond-information/

https://4cs.gia.edu/en-us/

Diamond Cuts

https://www.diamondcuts.com/

Laboratories

https://www.gia.edu/gem-lab

https://www.dcla.com.au/

https://www.igl-labs.com/

https://www.eglusa.com/

http://www.egllaboratories.org/

https://gemscience.net/

https://www.hrdantwerp.com/en

https://www.americangemsociety.org/page/whyagslaboratories

Birthstones

https://www.americangemsociety.org/page/Birthstones

Associations

Jewellery Association of Australia

https://www.jaa.com.au/

The Gold & Silversmiths Guild of Australia

https://www.gsga.org.au/

https://www.diamondguild.com.au The Gemmological Association of Australia

http://www.gem.org.au
National Council of Jewellery Valuers

http://www.ncjv.com.au

Opal Association

https://www.opal.asn.au

Watch and Clockmakers of Australia Inc.

https://wca.tidyhq.com

Terminology

Braybrook (UK)

https://www.braybrook.co.uk/jewellery-and-silver-wisdom/gems-of-information/glossary-of-jewellery-terms

Diamond Terminology (US)

https://www.brilliance.com/education/terminology

Jewellery Glossary (CAN)

https://www.peoplesjewellers.com/jewellery-glossary