sapphire

Although the world’s most famous spinels are named “rubies,” these gems are distinct species. Learn the stories behind four of these jewels.…

Available in many colors, spinels are becoming more popular with consumers. Learn how spinels form and how these gemstones get their colors.

The materials trapped inside gems hold a wealth of information. Learn what the most common types of spinel inclusions reveal about this gem.

Spinel collector and gem trade expert Seth Rosen discusses the current market and potential future for this beautiful but little-known stone.…

Learn how gemologists identify cobalt spinels and what qualities you should look for when buying these beautiful, vivid blue gemstones.

Our spinel engagement ring stone guide can help you learn about this beautiful, colorful, durable, but little-known gemstone.

Spinels are rarely treated, but gemologists should know how to detect spinel treatments. Learn about filling, heating, and diffusion.

When shopping for engagement rings in the past, you were limited to the same generic designs that everyone else was wearing. Basically, you had…

April 27, 2023 The St. Edward’s Crown, which has played a major role in the coronation of monarchs in England for more than 350 years, has been…