The Gemmological Association of Australia

www.gem.org.au

The Australian Gemmologist

The official journal of The Gemmological Association of Australia
www.australiangemmologist.com.au

CIBJO

The World Jewellery Confederation
www.cibjo.org

International Gemmological Institute - New York

www.igiworldwide.com

Genesis Insurance Brokers Australia

www.genesisbro.com.au

Gold And Silversmiths Guild of Australia

http://www.grayreidgallery.com.au/Guild/TheGuild.html

Miller Diamonds Pty Ltd

www.millerdiamonds.com

Precious Stone Jewellers

Brisbane QLD

C.W. Ottaway & Co.

Adelaide SA

Kasam Valuation Services

Adelaide SA