Beryllium Diffusion of Rubies and Sapphires Item# 0502002
Characteristics of HPHT-Grown Synthetic Diamonds Item# 0501165
Chart of Commercially Available Gem Treatments Item# 0502001.1
Examples from the GIA Diamond Cut Grading System Item# 050200.1
GIA Pink Diamond Color Chart Item# 0502002.2
Identification of Filled Diamonds Item# 0501169
Major World Gem Producing Regions Item# 0502001.3
Legacy of Leadership Item# 0101010
Gems & Gemology in Review: Synthetic Diamond Item# 0302815
The GIA Diamond Dictionary Item# 0808003
Collecting and Classifying Coloured Diamond Item# 0201424
Diamond Grading ABC Item# 0201101>
Diamonds Buying Guide Item# 0205086
Fancy Color Diamonds Item#0201126
Gemstones of The World Item# 0201180
Gemstones, Quality and Value Vol. 1 Item# 0208508
Gemstones, Quality and Value Vol. 2 Item# 0208507
Gemstones, Quality and Value Vol. 3 Item# 208509
Introduction to Crystallography Item# 0206220
Photoatlas of Inclusions in Gemstones Item# 0201265
Gem Identification Made Easy Item# 0201140
Gem Reference Guide Item# 0101021
Handbook of Gem Identification Item# 0101011
Jewelry Concepts and Technology Item# 0203100
Rough Diamonds Item# 0201433
Spectroscope and Gemology Item# 0201145
Within the Stone: Nature's Abstract Rock Art Item# 0206008