Nash Credentials Ethics or simple honesty are the building blocks upon which business is based, and it's integral to the practice of being able to conduct business that you have a set of honest standards.

- The Canadian Jewellers Association (CJA)

- American Gem Society (AGS)

- The Better Business Bureau of the United States and Canada (BBB)

- Canadian Diamond Code of Conduct

- Gemology Insitute of America (GIA)

- Jewelers Vigilance Committee (JVC)

- Chamber of Commerce

- Canadian Jewellery Group (CJG)