ABEX
(Association Belge des Experts)
www.abex.be

Antwerp Diamond Club

AGTA
(American Gem Trade Association)
www.agta.org

BBB
(Better Business Bureau)
www.bbbonline.org

Beurs voor Diamanthandel
(Antwerp Diamond Bourse)

BLCC
(Belgium Luxembourg Chamber of Commerce in Hong Kong), Member & Director
http://www.blcchk.org/index.php

CIBJO
The World Jewellery Confederation
www.cibjo.org

CRJP
(Council for Responsible Jewellery Practices)

Diamond Dealers Club of New York
www.nyddc.com

DFHK
(Diamond Federation of Hong Kong)
www.diamondfederationhk.com

DMIA
(Diamond Manufacturers & Importers Association of America)

ICA
(International Colored Gemstone Association)
www.gemstone.org

IDCA
(Indian Diamond and Colorstone Association)
www.idcany.org

ISO
(International Organization of Standardization)
www.iso.org

JA
(Jewelers of America)
www.jewelers.org

JVC
(Jewelers Vigilance Committee)
www.jvclegal.org

MJSA
(Manufacturing Jewelers & Suppliers of America)
www.mjsainc.com

NCDIA
(Natural Color Diamond Association)
www.ncdia.com

WDC
(World Diamond Council)
www.diamondfacts.org