jewelry

Rare, beautiful, and expensive, sapphires will really wow when brides need “something blue.” When you’re shopping for sapphire engagement…

Gem rough orientation isn’t always simple. Sometimes the obvious cut may not be the best choice. Learn how orienting rough can affect gem yields…

What ruby and sapphire grading tools does a novice gemologist need? Learn how basic gemological equipment can help you identify these popular…

Learn how gemologists evaluate color, clarity, cut, and carat for gem grading. Consumers can use this information to find the right stone for their…

Destructive gemstone testing, done carefully, can help gemologists and mineralogists with difficult gem or mineral identifications. Learn…

Did you know most gem species can be distinguished without the element of color? Learn the role gemstone colors play in gem identification.

How does faceting affect gem value? Unique custom-cut gemstones command high prices. Learn how custom cutting compares to factory cutting.

How does the GemEx iLoupe compare to a standard jeweler’s loupe? Our review tests the device and app, designed for smartphones and tablets.

Disclosing enhancements to gems is a key duty for gemologists. Learn what are the hardest treatments to detect and how to report your findings clearly.…