• Cover of Gems & Gemology Winter 2008 issue, featuring diamond jewelry against purple background

Winter 2008

  • $15.00

The PDF version of this issue is available at no charge. Visit

Color Grading D-to-Z Diamonds at the GIA Laboratory
John M. King, Ron H. Geurts, Al M. Gilbertson, and James E. Shigley

Rubies and Sapphires from Winza, Central Tanzania
Dietmar 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 Ohnenstetter

The Wittelsbach Blue
Rudolf Dröschel, Jürgen Evers, Hans Ottomeyer

2008 Annual Index

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.

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SKU: 430901