Glass-Filled Ruby Alert
(Updated on June 12, 2012) On December 20th, six industry association came together to issue a warning about glass filled rubies. The associations are the American Gem Trade Association, American Gemological Laboratories, Gem Research Swisslab, Jewelers Vigilance Committee, Manufacturing Jewelers & Suppliers of America (MJSA), and the New York Gemstone Association. They warned that many of these […]
