jewelry

How can gem buyers avoid undisclosed gem treatments and substitutions? Learn why it’s best to deal with expert gem cutters rather than commercial…

Clarity grades are the most confusing part of diamond engagement ring buying. See what an SI clarity diamond looks like and learn how to pick the…

Gemologists can use dye testing to determine if a gemstone has been dyed to alter its color. Learn how to perform this procedure safely here.

Is topaz your favorite stone? Whether you prefer its bright blue or imperial orange, you’ll love this course. Learn the ins and outs of topaz,…

Have you fallen in love with garnets? This versatile gemstone is a favorite among jewelers and gemologists, with a range of colors that few gems…

Do you love the autumnal hues of citrine? Whether you prefer its deep oranges or pale yellows, you’ll love this course. Learn the ins and outs of…

A checkerboard heart design is a great choice for a red or pink gem. Jeff Graham takes novice cutters through the faceting process, step by step.…

For thousands of years, garnets have symbolized love, life force, and victory — perfect associations for an engagement ring. This durable gemstone…

Malaya garnets have gone from rags to riches. They exhibit a wide range of warm-toned hues and fire worth drooling over. Once discarded for their…