Diamond Mini-course Quiz

Home » Diamond Mini-course Quiz

You need to be registered and logged in to take this quiz. Log in

Pursue Your Passion for Gemstones with the Ultimate Gem Resource

Start Your Gem Education

About the author

bonmarkuy bonmarkuy

All articles by this author

Pursue Your Passion for Gemstones with the Ultimate Gem Resource

Start Your Gem Education

Articles

Latest Articles

Buying a Faceting Machine

Buying a faceting machine means making compromises between economy, looks, and technical features. Learn what questions to ask before you make…

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…

Villiaumite Value, Price, and Jewelry Information

A little-known and rare collector’s gemstone, villiaumite is very difficult to facet. Its toxicity also makes it inadvisable to handle or wear.…

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…

Should You Cut the Gem Pavilion First?

Experts might successfully cut gems crown first, but cutting pavilion first is usually the best and most practical method. Read this article to…

Appraising Pearls: How to Grade Pearls

Novice gemologists and jewelers may find appraising pearls difficult. Our guide will show you how to appraise and grade different types of cultured…

Gem, Mineral, and Rock Scanner Identification Apps Review

How accurate are gem, mineral, and rock scanner identification apps? Our review covers the strengths and weaknesses of over 20 apps.

Gemstone Faceting Terms: A Glossary for Students

A glossary of frequently encountered gemstone faceting terms for the student gemologist. Our list covers gemology, gem cutting, and equipment.…

How it Works: Recutting Gems to Maximize Value

Recutting gems that have been poorly cut, whether commercially or native, can add significant value. See how precision custom cutting can transform…

Forum

Top Topics

Hi everyone :) My name is Fitia
3 days ago

Sun stones found in pa
5 days ago

$500 of opals or garbage?
7 days ago

Hello fellow collectors
7 days ago

New Member
1 week ago

Subscribe to the Free IGS

NEWSLETTER

Join our weekly newsletter & get a free copy of the Gem ID Checklist!

About

The International Gem Society (IGS) is the world's top resource for gem professionals, enthusiasts, and industry content. Learn more

Contact

Contact Us

Member Support

FAQ & Help

Want more gemology insights?

Learn how to get started with the International Gem Society’s guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!
SIGN ME UP

© 2022 International Gem Society LLC. All rights reserved. Privacy Policy | Terms of Use | Affiliate Disclosure | Accessibility Statement

Ready to learn how to identify gems on your own?

Join our mailing list below to download a FREE gem ID checklist tutorial. See what’s inside…

Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology)

Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID

Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts!

IGS Become Member

Join IGS today for great benefits!

Exclusive access to our premium articles and courses

Unlimited access to our gem pricing guide

Create your own listing in our business directory

Professional certification courses

Mini gemology courses

Participate in our member-only forums

Membership options