John I. Koivula, Robert C. Kammerling, Emmanuel Fritsch, C.W. Fryer, David Hargett, and Robert E. Kane
A Preliminary Gemological Study of Synthetic Diamond Thin Films
Emmanuel Fritsch, Laurie Conner, and John I. Koivula
Grading the Hope Diamond
Contribution to the Identification of Treated Colored Diamonds: Diamonds with Peculiar Color-Zoned Pavilions
Emmanuel Fritsch and James E. Shigley
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 student and alumni save 10% on back issues! Enter coupon code GGALUM and a GIA Student Number at checkout.