garnet

Choosing a setting is the most important decision when shopping for a ring. Read about your options in this comprehensive guide to engagement ring…

Not happy with your birthstone? Explore these alternative birthstones associated with astrological signs, angels, the hour or day of your birth,…

Learn what gemologists do in our introduction to gemology. Whether your interest is casual or professional, the world of gems will amaze you.

Don’t be confused by the name. Zircon is a natural, magnificent, and underrated gemstone that has been worn and treasured since ancient times.…

Refractive indices and double refraction (birefringence) help gemologists identify gems. The following table lists these values for selected…

Many square gem designs lack appeal because they’re not very bright. Jeff Graham’s Chinese Checker cut combines good light return with a square…

Inspired by the classic children’s toy, Jeff Graham’s award-winning Pin Wheel gem design is easy to cut and makes a very interesting stone.…

Take a look at these before-and-after pics of repaired and recut gems and learn how a great lapidary can improve the value of many types of gems.

Early lapidary technology doesn’t differ from our modern tools as much as you might think. Learn more about the history of laps, polish, and gem…