The PDF version of this issue is available at no charge. Visit www.gia.eduGE POL Diamonds: Before and AfterChristopher P. Smith, George Bosshart, Johann Ponahlo, Vera M.F. Hammer, Helmut Klapper, and Karl SchmetzerSapphires from Antsiranana Province, Northern MadagascarDietmar Schwarz, Jan Kanis, and Karl SchmetzerPre-Columbian Gems and Ornamental Materials from Antigua, West IndiesA. Reg Murphy, David J. Hozjan, Christy N. de Mille, and Alfred A. LevinsonGem Quality Hauyne from the Eifel District, GermanyLore Kiefert and H.A. HanniEvery 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: 430004