Emerald

A favorite color for nature-inspired designs, green gemstones never go out of style. Learn which of these 32 green gems hold up best for engagement…

Complete sphalerite buying guide covering grading, quality identification, cutting challenges, pricing factors, and jewelry considerations…

Why do gemology labs sometimes have different gem origin opinions, especially for sapphires? Learn the science and history behind the debate.…

What kinds of gems can novice faceters cut to make a profit? Learn which gemstones make money reliably and which ones have limited potential.

The modern birthstone for March is aquamarine, a blue stone often connected to the ocean.

What is the November Birthstone? The most common birthstone for November is yellow topaz however citrine, another lovely yellow gemstone, has…

The 10X loupe is the gemologist’s best friend. Learn how to examine gemstones for fractures, inclusions, color, and much more with this simple…

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

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