Spinel

Do you want to buy a diamond for an engagement ring? Don’t. Still want to buy a diamond? OK. Here are the pros and cons of buying a diamond online.

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…

Unlike most online purchases, the quality of a diamond varies from one to the next. Each is unique, which means that shopping for a diamond online…

White diamonds surround this large, 1.17-ct cushion cut fancy pink diamond. “Pink Blush” © Dalby Diamonds. Used with permission.…

Step 1: Introduction to Gemology Lesson 22 Back to syllabus Facets, those “geometrically arranged, flat surfaces” that cover faceted gemstones,…

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

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

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

Most gems form naturally as minerals within the Earth. Most form as crystals, solids whose atoms are arranged in highly ordered repeating patterns…