Education

Holding the Diamond in Tweezers (6.14)

Place the diamond’s table down on a flat smooth surface and bring the tweezers in low where both tips are contacting the table top surface around the diamond.

Clarity Grading With a Loupe (6.13)

With the loose diamond held in tweezers in your left hand (right hand if you are left-handed), and the loupe held in your right hand (if your right-handed), rest one...

Clarity Grading Magnification (6.12)

Before you do this, spend some time under 10x, to avoid possibly being led astray under 30x.

Blemishes and Inclusions (6.11)

The two types of clarity classifications are blemishes and inclusions.

Clarity Grading and Opinion (6.08)

GIA defines the individual clarity grades in detail but a certain amount of subjectivity remains regardless.

Darkfield Loupe (6.07)

This offers the dark-field illumination as with the gem-scope, with the combination of a loupe.