Lab Diamond Grading Differences

Posted on July 1, 2013 by Richard B. Drucker, GG (GIA), FGA

Lab grading differences are becoming a hot industry issue. The differences in grades from one lab to another are problematic. Consumers are being deceived into thinking that they are buying a diamond with higher grades…

GemWorld articles are accessible by GemGuide members only.
Already a member?

Click here and Login

To access our archive of articles and get many other great features and benefits, become a member now!

Become a member