DCA Certification Standards & Documentation 2

Question 1

Which organization issues the GIA Diamond Grading Report that is widely accepted as the industry standard for diamond documentation?

Accepted Answer

Gemological Institute of America

Answer

The Gemological Institute of America (GIA) issues the GIA Diamond Grading Report, which is considered the global benchmark for diamond certification.

Question 2

What does a laser inscription on a diamond's girdle typically record?

Accepted Answer

The certificate or report number

Answer

Laser inscriptions on a diamond's girdle most commonly record the corresponding grading report or certificate number for identification and authentication.

Question 3

On a DCA-style grading report, what does the 'plot diagram' illustrate?

Accepted Answer

The location and type of inclusions and blemishes

Answer

A plot diagram is a schematic map of a diamond showing the exact position and nature of internal inclusions and external blemishes.

Question 4

Which clarity grade indicates a diamond with no inclusions or blemishes visible under 10× magnification?

Accepted Answer

FL

Answer

FL (Flawless) is the highest clarity grade, meaning no inclusions or blemishes are visible even under 10× magnification.

Question 5

When a grading laboratory issues a 'Diamond Dossier,' how does it differ from a full Diamond Grading Report?

Accepted Answer

It omits the plot diagram but includes a laser inscription

Answer

A GIA Diamond Dossier is a smaller report for diamonds typically under 1 carat that includes all grades but omits the full plot diagram, relying instead on a laser inscription.

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

DCA Certification Standards & Documentation 2