• Winter 1994

Winter 1994

  • $15.00

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

Color Grading of Colored Diamonds in the GIA Gem Trade Laboratory
John M. King, Thomas M. Moses, James E. Shigley, and Yan Liu

Ruby and Sapphire from the Southern Ural Mountains, Russia
Alexander J. Kissin

Gem Corundum in Alkali Basalt: Origin and Occurrence
A.A. Levinson and F.A. Cook
1994 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).

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SKU: 94w