Cubic Zirconia vs Diamonds: Key Differences
Looking for an affordable alternative to diamonds? Cubic zirconia (CZ) stones offer a budget-friendly option that mimics the appearance of diamonds…
Learn How to Use the IGS Gem Price Guide
Table of Contents:How to Use the IGS Gem Price GuideAppraisalsGemstone PropertiesColorClarityCutCarat The IGS Gem Price Guide covers commonly…
The White Paper Test and Rough Gem Buying
How can gem cutters predict the color that gem rough will likely show when cut? Learn how the simple white paper test can help you buy the right material.…
Mechanical Gemstone Cleaning
Mechanical gemstone cleaning has benefits and risks. Learn all about ultrasonic, steam, and boiling systems and how gems might react to them.…
The History of Marquise Cut Diamonds
A marquise cut diamond is a chic diamond silhouette that not only boasts a noble name, the marquise but has an actual royal history to its origin.…
Phenomenal Gems: Cat’s Eyes, Star Stones, and More
Phenomenal gems seem to do magical things with light. Learn the science behind optical effects like cat’s eyes and star stones and how to judge…
What are Gem Species and Gem Varieties?
Gem species are mineral species prized for their durability and beauty. Learn how chemical formulas and crystal structures define species and…
Aquamarine Setting Advice
Aquamarines can look great, but what’s the best way to mount them? Novice jewelers should learn the pros and cons of various aquamarine setting…
Basic Business Rules: Buying Rough
Buying rough is the foundation of the gem cutting business. Learn the basic rules novice faceters need to know in order to purchase quality gem materials.…
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