Inclusions

Question 1

What is a bruise

Answer 1

A tiny area of impact accompanied by very small root-like feathers typically occurs at a facet junction

Question 2

Cavity

Answer 2

An angular opening created when part of a feather breaks away

Question 3

Chip

Answer 3

A shallow opening that occurs at the girdle edge, facet, junction or cutlet caused by damage to the stones surface

Question 4

Cleavage

Answer 4

A break in a diamond

Question 5

Crystal

Answer 5

A type of inclusion. A crystal is a mineral deposit trapped inside the diamond

Question 6

Cloud

Answer 6

A group of tiny, white inclusions which give a cloudy appearance.

Question 7

Feather

Answer 7

A fracture in a diamond that looks like a white feather.
Grain Center A small, concentrated area of crystal distortion; can be white or dark and might have a thread-like or pinpoint-like appearance.

Question 8

Indented Natural

Answer 8

A portion of the rough diamond’s original surface that dips below a polished diamond’s surface.

Question 9

Internal Graining

Answer 9

Lines, angles, or curves that might appear whitish, colored, or reflective, or affect transparency at 10X; caused by irregularities in crystal growth.

Question 10

Knot

Answer 10

A white or transparent diamond crystal that extends to the surface after fashioning.

Question 11

Laser Drill-Hole

Answer 11

Laser drilling within a diamond that creates a surface-reaching feather or expands a pre-existing feather around a dark inclusion so that it reaches the surface. The feather then provides access for bleaching to decrease the visibility of the inclusion.

Question 12

Needle

Answer 12

A thin, elongated crystal that looks like a tiny rod at 10X.

Question 13

Pinpoint

Answer 13

Very small inclusions in a diamond.

Question 14

Twinning Wisp

Answer 14

A series of pinpoints, clouds, or crystals that forms in a diamond’s growth place; associated with crystal distortion and twinning planes.