GIA on Diamond Cut PDF Article Archive

Click on any of the linked titles below to download a print-friendly version of that article.

Cut – The Least Understood “C”
By Barak Green, John King, Kim Cino, Mary Johnson, and James Shigley

GIA and Its History with Cut 
By Barak Green, Al Gilbertson, Mary Johnson, and James Shigley

Diamond Optics Part 1: Reflection, Refraction and Critical Angle 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

Diamond Optics Part 2: Light Dispersion, Color Wavelengths and Fire 
By Barak Green, Ilene Reinitz, Al Gilbertson, Mary Johnson, and James Shigley

Diamond Optics Part 3: The Effects of Polarization States on Light Behavior 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

The Importance of Three-Dimensionality 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

What Did Marcel Tolkowsky Really Say? 
By Barak Green, Al Gilbertson, Ilene Reinitz, Mary Johnson, and James Shigley

The Optics of a Dirty Diamond 
By Barak Green, Al Gilbertson, Mary Johnson, and James Shigley

The Visual Presentation of Information: Part 1 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

The Visual Presentation of Information: Part 2 
By Barak Green, Mary Johnson, and James Shigley

Diamond Appearance: The Components of a Computer Model 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

How Science Works: Understanding the Scientific Method 
By Mary Johnson, Ilene Reinitz, and James Shigley

Computer Modeling Part 2: A Closer Look at Metrics 
By Barak Green, Ilene Reinitz, Mary Johnson, and James Shigley

Gems & Gemology, GIA’s acclaimed peer-reviewed journal of gemology, has now made available both previously published articles (Fall 1998, Fall 2001) on GIA’s research into diamond cut. If you would like to view these articles, click here.