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The Anatomy of a Brilliant Cut Diamond

A unique one hundred facet round brilliant cut.

A unique one hundred facet round brilliant cut.

The image to the left illustrates a "modern round brilliant cut" but the same term can apply to all other brilliant cuts, (pear shape brilliant, oval shape brilliant, etc.?). Step-cuts, such as the emerald cut, will not have upper and lower girdle facets or star facets -- which distinguishes them from brilliant cuts.