Loose Diamond Definitions: F

Facet - Plane, polished surface of a diamond.

Fancy Cut-Any style of diamond cutting other than the round brilliant or single cut.

Fancy Diamond-Any diamond with a natural body color strong enough to be attractive, rather than off color.

Feather-When the plane of cleavage or fracture in a diamond is viewed at right angle, the appearance is often reminiscent of a feather.

Fissure-An elongated cavity in a diamond’s surface.

Flat Stone-A diamond brilliant with a very thin crown and pavilion.

Flaw - An imperfection of a diamond.

Flawless Fl-The term for a diamond without external or internal flaws of any description when viewed by a trained eye under illumination and under a corrected magnifier with at least ten power.

Fracture - A crack on the diamond's surface.

Full Cut Diamond - A description of a brilliant cut, round stone with 57-58 facets.

Full-cut Brilliant- A brilliant-cut diamond or colored stone with the usual total of 58 facets, consisting of 32 facets and a table above the girdle and 24 facets and culet below.

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