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Brilliant gemstones: fluorescence and phosphore...
Consequently, luminescence imaging has become an indispensable tool for materials analysis, one that is routinely used in gemological laboratories. The largely straightforward interpretation of the fluorescence and phosphorescence behaviors of...
Brilliant gemstones: fluorescence and phosphore...
Consequently, luminescence imaging has become an indispensable tool for materials analysis, one that is routinely used in gemological laboratories. The largely straightforward interpretation of the fluorescence and phosphorescence behaviors of...

The latest in field gemology from Wim Vertriest...
Knowing the geology, history, mining and environmental impact of gemstones empowers consumers to make informed choices and better appreciate the journey their stones have taken to reach their jewelry boxes....
The latest in field gemology from Wim Vertriest...
Knowing the geology, history, mining and environmental impact of gemstones empowers consumers to make informed choices and better appreciate the journey their stones have taken to reach their jewelry boxes....

G&G in a Flash: The Latest on Lab-Grown Dia...
The CVD diamond plate on the left was created in a GIA research facility. On the right is a 10.02-carat, E-color, VS1-clarity HPHT emerald-cut diamond. Its size and quality show...
G&G in a Flash: The Latest on Lab-Grown Dia...
The CVD diamond plate on the left was created in a GIA research facility. On the right is a 10.02-carat, E-color, VS1-clarity HPHT emerald-cut diamond. Its size and quality show...

Diamond vs. Moissanite vs. Zirconia: Which is t...
Moissanite is the best alternative to diamond for those seeking ethics and intense shine, while zirconia is ideal for style tests. Diamonds, on the other hand, maintain their place as...
Diamond vs. Moissanite vs. Zirconia: Which is t...
Moissanite is the best alternative to diamond for those seeking ethics and intense shine, while zirconia is ideal for style tests. Diamonds, on the other hand, maintain their place as...