A Comprehensive Study of Gem Faceting Classes Around the World
Compare the prices and philosophies of gem faceting classes from around the world. Learn if there’s a local club or a faraway school that’s…
Colorful Options: Choosing Topaz Engagement Ring Stones
You can probably find a topaz engagement ring stone in your favorite color at a reasonable price. Learn what to look for and how to care for your gem.…
Clarity Grading for Colored Gemstones
Don’t underestimate the importance of clarity, one of the Four Cs of gemstone grading. For faceted gems, basic clarity grading involves evaluating…
Identifying Synthetic Diamonds
Step 5: Advanced Gem Information Lesson 2 Back to syllabus Synthetic diamonds aren’t new. General Electric (GE) has been making them since…
Lapidary Health Hazards and Safety Tips
Whether you’re a new or experienced gem cutter, brush up on safety procedures. Learn about lapidary health hazards and how to prevent chronic…
Take the Birthstone Quiz
What do you know about birthstones? Take our short birthstone quiz and learn about the makeup, cutting, and value of these popular gemstones.
19 Stunning Yellow Gemstones (With 9 Best Picks for Jewelry)
From bright, sunny colors to deep golden hues, yellow gemstones are warm and inviting. Learn how to assess the quality of yellow gems and find out…
Advice for New Gem Cutters
How can new gem cutters succeed in the gemstone business? Learn how rough buying and custom cutting can give you a competitive edge.
Gemstone Color Measurements and Specifications
Gemstone color measurements are hard to make with conventional color-order systems. Learn how recent colorimetry tech advances have improved…
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