The PDF version of this issue is available at no charge. Visit www.gia.edu Pink to Red Coral: A Guide to Determining Origin of ColorChristopher P. Smith, Shane F. McClure, Sally Eaton-Magaóa, and David M. KondoSerenity Coated Colored Diamonds: Detection and DurabilityAndy H. Shen, Wuyi Wang, Matthew S. Hall, Steven Novak, Shane F. McClure, James E. Shigley, and Thomas M. MosesTrapiche Tourmaline from ZambiaThomas Hainschwang, Franck Notari, and Björn Anckar Every 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: 430702
