The Black Gem Challenge

Posted on May 1, 2013 by Cara Williams, FGA

Black stones have been in vogue for some time even sold as loose stones on the TV or Internet. See figure 1. While originally these may have been black diamonds set in expensive jewelry, we…

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