pink gems

Gem species are mineral species prized for their durability and beauty. Learn how chemical formulas and crystal structures define species...

We've tallied your opinions from our gem treatment survey. Are treated gems natural? How much should they cost? With a...

Even the most general definition of a gem has many exceptions. Learn what qualities have been used to identify gemstones...

What’s the difference between a reflectometer and a refractometer? If you’re interested in studying or buying gems, learn the facts...

A guide for the price of various gemstones that is based on various sources for commonly traded goods. However, gems...

In the gem trade, good manners are important. This guide to gem business etiquette will help newcomers make friends and...

Gemologists use several different gem classification methods. Learn how the most common systems work and what they cover as well...

What will 2018 bring to the world of gems and jewelry? Learn about the latest gem trends — everything from...

The IGS Gem Price Guide covers many popular as well as unusual, collectible gems. Find your gem’s retail value based...

Our gem cutting FAQ covers some common questions from novice faceters. Topics include how to get started, how to clean...

Gem treatments can affect a stone’s value and stability. Learn how the most common procedures work and how to identify...

Satisfying the human desire for symmetry, trapiche gems have a special allure. Learn what makes these rarities so unique in...

Distinguishing between natural and synthetic gems is a critical skill for gemologists. Learn about gem making processes and the telltale...

Gem carvings are judged on material, workmanship, and artistry. Learn how to apply these criteria to a piece with our...

New to the gem trade? Heading to a gem and jewelry show? Our jewelry and gem show FAQ can help...

Rarity is one of the most prized qualities of gemstones. But some gems are far more rare than others! This...

Gem identification is part detective work, part art. Learn how gemologists can distinguish gem species and determine whether a stone...

Appraising gems and jewelry involves opinions of value based on knowledge and research. Learn what information gemologists should include on...

A gem structure chart that shows various information on a specific structure and gems of example. Details include Refractive Indexes,...

What does it take to facet gems? Patience and HAI, locking the gem at the right height, angle, and index...

You'll find gem cutting acronyms like L/W in faceting guides. Learn what these frequently used terms mean and how they...

Earrings are available in many styles. Learn to identify the most popular types of metal and gem earrings and the...

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on...

Jewelry designers and consumers can pick from many different gem settings. Learn the names and uses of common and speciality...

Gem pricing isn't easy, and guidelines aren't always fixed. Learn what factors gem cutters should consider to determine a fair...

Accurate descriptions and quality photographs are essential for marketing your gems online. Learn about options and best practices for improving...

Determining where to sell your gems — whether online or in-person — can be difficult. Here’s a look at the...

Though rings may come in many styles, gem cutters will regularly encounter a few common types of gem rings. Learn...

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on...

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on...

Will your gem fit in a standard setting? Use this chart of standard gem sizes for popular cuts and also...

Gem cutting styles refer to the shape and arrangement of facets. The three most basic styles are brilliant, step, and...

Although many gem enthusiasts want to become collectors, they may not know where to begin. Read this article for tips...

How can new gem cutters succeed in the gemstone business? Learn how rough buying and custom cutting can give you...

Whatever your reasons for mailing gems, follow this advice from competition faceters. These tips will help protect your gemstones from...

Finding your path to success in the gem trade takes introspection, education, and exploration. Learn about your options for entering...

All gemstones, from fragile opals to durable diamonds, can benefit from protective gem settings. Learn which jewelry designs are best...

Rounds dominate the gem market, but fancy gem cuts offer many beautiful options. Learn about the most popular fancy shapes,...

What negotiating strategies work best in the gem trade? Learn how some general principles and a win-win mindset can help...

Successful investing in gemstones requires knowledge and experience. The IGS Buying Gems for Profit course will give you the knowledge...

Learn the difference between allochromatic and idiochromatic gems and why some gem species can occur in many color varieties and...

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on...

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on...

Just Ask Jeff :There seems to be a lot of questions out there about gemstone designs and designing.Here are some...

Learn how to cut spectrolite and other labradorite gems so you can showcase their striking color flash most effectively.

The Quartzsite gem shows attract gemologists and rock hounds from around the world. Learn what to expect and how to...

Gem cutters can choose from many faceting styles. Learn about the most common custom cutting techniques and pick one that...

Some natural as well as synthetic gems have specific, characteristic inclusions. Learn the identifying inclusions of some of the most...