- Joined
- Jul 21, 2004
- Messages
- 9,159
No two diamonds are alike and it seems neither are their grading certificates. A survey by RapNet – the Rapaport Diamond Trading Network, found significant differences between laboratories grading the same diamond.
http://www.diamonds.net/News/NewsItem.aspx?ArticleID=43417
http://www.diamonds.net/News/NewsItem.aspx?ArticleID=43417