See Gem As
Tools
Research
Cricket Bat Diamond
A diamond shaped like a cricket bat is submitted to GIA’s Mumbai laboratory.
Artisanal Diamond Mining: Addressing the Knowledge Gap
Diamonds for Peace conducts basic training on rough diamond grading for artisanal miners in Liberia.
A “Galaxy” within a Diamond
Tiny crystal and particle cloud inclusions resemble a galaxy in a 2.01 ct diamond.
The Largest Diamond Ever Discovered in North America
GIA examines a 552.7 ct diamond from the Diavik mine in Canada.
A Visit to Clarity Diamond’s CVD Facility
An in-depth look at Clarity Diamond’s CVD facility in Austin, Texas.
G&G Contributors Awarded for Best Geoscience Research
Several G&G contributors are recognized for their work on the latest volume in the Reviews in Mineralogy & Geochemistry series.
Multilayered Laboratory-Grown Diamond
A laboratory-grown diamond with multiple growth layers highlights the challenges of discerning the details of diamond synthesis.
Diamond Within a Diamond Within a Diamond
A natural diamond contains two inclusions resembling a faceted diamond and a rough diamond.
Cutting Diffraction Gratings to Improve Dispersion (“Fire”) in Diamonds
A new microlithography process developed to create high-resolution diffraction grating patterns on portions of certain facets can improve the dispersion of light and thus the amount of “fire” in a diamond.
Identifying Gem-Quality Synthetic Diamonds: An Update
Synthesized gem-quality diamonds from the General Electric Company are analyzed for characteristics that distinguish them from natural stones.
Magnetic Properties of Gem-Quality Synthetic Diamonds
A comparison of the magnetic properties of synthetic and natural diamonds.
