In America we have Jewelers of America
http://www.jewelers.org
They have that info for the USA.
I know you have a Canadian Jewelers organization, contact them. They
should have this info.
David Geller
In America we have Jewelers of America
http://www.jewelers.org
They have that info for the USA.
I know you have a Canadian Jewelers organization, contact them. They
should have this info.
David Geller