Minerals, Metals, and Other Materials

Rocks and Minerals

What are the common cuts of gemstones?

Modern gem cutting uses faceted cutting for most transparent gems. In faceted cutting, numerous facets—geometrically disposed to bring out the beauty of light and color to the best advantage—are cut. The four most common cuts are the brilliant, the rose, the baguette, and the step or trap cut. The step or trap cut is also known as the emerald cut and is used for emeralds. The brilliant and rose cuts are often used for diamonds.


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