sapphire

Appraising rubies is a skill every jeweler and gemologist needs to master. Learn about the different quality factors that can affect ruby prices.…

What is April’s Birthstone? The birthstone representing April is diamond. The vast majority of diamonds are transparent, colorless, and show…

Although bytownite occurs throughout the world, this feldspar variety is rarely encountered in gem-quality condition.

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.

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

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…

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