For Gem Enthusiasts

The Hayek cut is great for light to medium-colored gem rough that’s blocky but not square enough for an emerald cut. Learn how to facet this lively…

Emerald enhancements can improve the beauty of these gems but also have some drawbacks. Learn how to choose the right procedure for a particular…

First-time gem buyers may find diamond grades confusing. Our consumer guide explains how diamonds are evaluated and gives advice on how to choose…

In this golden age of pearls, a wide variety of shapes, sizes, and colors are available. Our pearl buying guide can help you select a pearl you’ll…

Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.

Aquamarine is the blue to blue-green variety of beryl. If you encounter so-called white aquamarines, buyer beware. Learn the facts about these…