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A Foundation for Grading the Overall Cut Quality of Round Brilliant Cut Diamonds
Thomas M. Moses, Mary L. Johnson, Barak Green, Troy Blodgett, Kim Cino, Ron H. Geurts, Al M. Gilbertson, T. Scott Hemphill, John M. King, Lisa Kornylak, Ilene M. Reinitz, and James E. Shigley
Amethyst from Four Peaks, Arizona
Jack Lowell and John I. Koivula
Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).
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