Tips for Polishing Kunzite
Polishing kunzite can be very challenging, especially for novice gemstone faceters. Learn what tools and techniques work best.
Gem Origin Opinions: When Gemology Labs Agree to Disagree on Sapphire Origins
Why do gemology labs sometimes have different gem origin opinions, especially for sapphires? Learn the science and history behind the debate.…
Pearl Treatments and Enhancements
Did you know that routine pearl treatments are the most common enhancements in the gem trade? Learn more about these procedures and how they impact…
Lapis Lazuli Buying Guide
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to identify a high quality stone or a bargain in the…
Gemstones That Make Money
What kinds of gems can novice faceters cut to make a profit? Learn which gemstones make money reliably and which ones have limited potential.
March Birthstone: Aquamarine
The modern birthstone for March is aquamarine, a blue stone often connected to the ocean.
November Birthstones: Citrine and Yellow Topaz
What is the November Birthstone? The most common birthstone for November is yellow topaz however citrine, another lovely yellow gemstone, has…
Natural Pearls vs Cultured Pearls
Many consumers don’t understand the difference between natural pearls and cultured pearls. Learn what these terms mean and how to distinguish…
10X Loupe for Gemologists and Jewelers
The 10X loupe is the gemologist’s best friend. Learn how to examine gemstones for fractures, inclusions, color, and much more with this simple…
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