News & Articles


The Type IIb De Beers Cullinan Blue Diamond
Type IIb blue diamonds are extremely rare in nature.
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New Record Size for CVD Laboratory-Grown Diamond
Growth technology of single-crystal diamond has advanced significantly in the last two decades, for both the high-pressure, high-temperature (HPHT) and chemical vapor deposition (CVD) methods.
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Book Review: The Secret Teachings of Gemcutting: 50 Classic Gemstone Designs
In the world of gemology, books are rarely published on the subject of lapidary arts or gem cutting.
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