jewelry

“Fancies” — fancy shape or fancy cut diamonds — can have any finished shape other than round. Some well-known examples include princess,…

“Diamond Solitaire Pendent,” 1-ct, European cut, F color, I2 clarity, by Christina Rutz. Licensed under CC By 2.0. The Federal Trade Commission…

The United States Federal Trade Commission (FTC) produces a set of regulations concerning the jewelry industry. These FTC Jewelry Guides can…

Step 4: Gem Grading Lesson 10 Back to syllabus Distinguishing diamonds from their lookalikes is a prerequisite to diamond grading. Assigning…

Step 2: Advanced Gemology Lesson 8 Back to syllabus In 1999, General Electric (GE) introduced a new diamond treatment into the jewelry trade. The…

Diamond simulants often appear in jewelry, as side stones and accents as well as centerpieces. Identifying these lookalike materials, whether…

Even as new diamond treatments enter the market, old techniques are revised and improved. Learn how to identify the most common current treatments.…

Lab-created diamonds have an undeserved stigma. However, they make excellent, lower cost alternatives to natural, mined diamonds. In this article,…

Step 3: Practical Gemology Lesson 4 Back to syllabus Gemstone identification is like detective work. You gather clues and eliminate suspects…