What’s the Difference Between Synthetic, Simulated, and Created Gemstones
Some people make distinctions between different kinds of synthetic or lab-grown gems. In fact, you may even find different definitions of synthetic…
Gemstone Polishing Laps and Techniques
No single gemstone polishing method will work for all people or all stones. Our guide will help you choose laps and techniques that work for you.…
Blue Gemstones: 37 Varieties, Properties & Care Guide
Explore 37 blue gemstones from rare collectors’ specimens to durable jewelry options. Learn how to assess quality, understand durability factors,…
How to Modify a Powder Scale for Specific Gravity Testing
Learn how to modify a powder scale for specific gravity testing. A handmade wire basket will make this easy-to-use scale a great tool for gemologists.…
Starting a Jewelry Business? Some Questions to Consider
Starting a jewelry business takes a lot of planning. Answer these questions about your inventory and services now and save yourself time and money…
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…
Introduction to Diamond Simulants
Step 4: Gem Grading Lesson 10 Back to syllabus Distinguishing diamonds from their lookalikes is a prerequisite to diamond grading. Assigning…
What is Gemstone Luster?
Gemstone luster describes how a gem’s surface looks when it reflects light. Learn the common terms gemologists use for this property and what can…
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