Sally Eaton-Magaña, Troy Ardon, Karen V. Smit, Christopher M. Breeding, and James E. Shigley, February 1, 2019
Summarizes data collected by GIA on more than 90,000 natural diamonds in this color range and presents their gemological and spectroscopic properties.
Read MoreSally Eaton-Magaña, Troy Ardon, Christopher M. Breeding, and James E. Shigley, November 15, 2019
A systematic study of the properties of approximately 500 Fancy white and 1,200 Fancy black diamonds.
Read MoreKaren V. Smit, Elina Myagkaya, Stephanie Persaud, and Wuyi Wang, August 6, 2018
Characterizes a suite of 40 natural brown to black diamonds from this deposit so that they can be distinguished from suspected treated black diamonds.
Read MoreNathan D. Renfro, November 7, 2016
Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.
Read MoreJames E. Shigley and Christopher M. Breeding, April 30, 2015
Features a foldout chart containing representative visible spectra and photos of the major color categories of diamond.
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