Alumni Chapter

South Carolina Chapter: Laboratory-Grown Diamond Detection


Top: Natural Diamond, Left: Laboratory-grown Diamond, Right: Diamond Simulant

Roger Riemann, GIA GG™, will be speaking on laboratory-grown diamond detectors and their everyday use in a retail environment. He also will be displaying some real-size diamond crystal cutting displays, as well as a replica tray on The Cullinan Diamond.

Roger Riemann is a geology/oceanography graduate who has appraised jewelry and managed jewelry stores in 9 cities in 6 states over the last 40 years. In 1992, Roger earned his GIA Graduate Gemologist® diploma and is a Certified Gemologist with the American Gem Society. He is currently a Certified Gemologist Appraiser (AGS) with Floyd and Green Jewelers in Aiken, SC.