Diamond Glossary

Diamond Terms F

Facet Faceted Girdle Fancy Feather Flaw Fluorescence Fracture

A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|

Diamond Term Explanation

1. A plane, polished surface of a diamond. The brilliant, a full cut round diamond usually contains 58 facets.
2. Some cutters also polish the girdle for maximal reflection, into 32 facets for a round diamond.
3. A diamond with another shape than round cut (ie. princess, emerald, oval, etc.) and/or with an attractive natural body color other than light yellow or light brown.
4. A separation or break due to either cleavage or fracture, often white and feathery in appearance.
5. An imperfection of a diamond.
6. Mostly a blueish glow of a diamond in high ultraviolet lighting conditions. Ratings: none, faint, slight, medium, strong blue. Strong blue fluorescence may cause the diamond to appear milky in daylight.
7. A crack on the diamond's surface. The fracture can be treated by filling. Detection only under special lighting with high magnification microscope.