Pinpoint

An inclusion within a diamond. A gathering of pinpoints is called a “cluster” or “cloud.” A cloud or cluster can appear as a hazy area in the diamond, a pinpoint appears as a dot.

Pavilion

Bottom portion of the stone, under the girdle, measuring to the culet. It is the area below the girdle consisting of 23 facets in the round-brilliant-cut diamond.

Natural

A diamond characteristic that is part of the surface of a polished diamond that was not cut or polished during the cutting process.