World Gold Council (WGC)

London Bullion Market Association (LBMA )

Bombay Bullion Association (BBA)

Multi Commodity Exchange of India Ltd (MCX)

National Commodity & Derivatives Exchange Ltd. (NCDEX)

New York Merchantile Exchange ( NYMEX )

Chicago Board of Trade (CBOT)

The Tokoya Commodity Exchange (TOCOM)

All India Gems And Jewellery Trade Federation (GJF)

Jain International Trade Organisation ( JITO )

The Gem & Jewellery Export Promotion Council ( GJEPC )