The Dichroscope: A Faceter’s Guide
A dichroscope can distinguish the colors of pleochroic gems. Learn how gem cutters can use this tool to choose the best faceting designs for these…
A dichroscope can distinguish the colors of pleochroic gems. Learn how gem cutters can use this tool to choose the best faceting designs for these…
Gemstone identification requires a good reference library and some basic gemology tools. Before you go shopping, learn more about what you’ll…
One-carat oval diamonds are versatile alternatives to one-carat rounds. Our guide can help you find the right oval-cut diamond for your own engagement…
The dichroscope is one of the most useful instruments a gemologist can have. Its primary purpose is to determine the pleochroism of a gem.
Gem cutting and jewelry…
Ultraviolet testing can be crucial for gemstone identification. Learn the basics of this technique as well as how to make your own UV viewing box.…
The spectroscope is a fundamental gemological tool. Learn how to use it to identify gemstones based on their absorption of different wavelengths…
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Word is out that diamonds aren’t that rare. So, why are they still so expensive? Learn about diamond rarity and quality and how they impact cost.…