Emerald

Some treatments add lab-created material to mined gemstones. The part-natural, part-synthetic nature of these gems has prompted some in the…

An assembled gemstone is constructed from two or more combined materials. Gemstone doublets and triplets, intarsias, and rhinestones are all…

The simple 10X loupe fits in your pocket and costs less than any other piece of gemological equipment. You’ll learn more with it than any other…

Turquoise is one of a small group of gemstones whose name is synonymous with a specific color. Descriptions like “emerald green”…

People across the globe have used turquoise for adornment for thousands of years, but this gem material forms naturally only in a few places. Cultures…

According to some estimates, less than 5% of all turquoise mined worldwide is suitable for gem use without enhancement. Consequently, turquoise…

Green diamonds are the oddballs of the fancy colored diamond varieties. Their rare color is usually the result of damage from prolonged exposure…

Almost all turquoises receive enhancements for jewelry use. Learn how to identify the most common turquoise treatments and synthetic options.…

The most common of all fancy colors that can be expressed by diamonds is brown. Some claim that approximately 98% of all mined diamonds (gem-quality…