The PDF version of this issue is available at no charge. Visit www.gia.eduColor Grading D-to-Z Diamonds at the GIA LaboratoryJohn M. King, Ron H. Geurts, Al M. Gilbertson, and James E. ShigleyRubies and Sapphires from Winza, Central TanzaniaDietmar Schwarz, Vincent Pardieu, John M. Saul, Karl Schmetzer, Brendan M. Laurs, Gaston Giuliani, Leo Klemm, Anna-Kathrin Malsy, Eric Erel, Christoph Hauzenberger, Garry Du Toit, Anthony E. Fallick, and Daniel OhnenstetterThe Wittelsbach BlueRudolf Dröschel, Jürgen Evers, Hans Ottomeyer 2008 Annual IndexEvery issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout. Usually ships in 3-5 business days. SKU: 430901
