a. natural marks
b. surface blemishes
c. minor imperfections
d. clarity characteristics
2. To evaluate clarity, a skilled grader examines the Diamond ring using:
a. a gemscope
b. a jeweller's loupe
c. 10x magnification
d. digital stereo imaging
3. Which GIA colour grade can be described as essentially colourless?
4. A Diamond's optical magic (or beauty) has three ingredients: brilliance, dispersion and
5. The shapes of the facets and the pattern in which they're arranged determines a cut's
6. Which factor reflects the skill, care and time taken in the cutting process?
a. Weight ratio
b. Polish quality
c. Light performance
d. Durability deductions
7. Which setting style protects the Diamond with a metal collar that wraps around it?
8. The first synthetic Diamonds were produced in the:
9. The dark centre of a "nailhead" Diamond results from a:
a. small table
b. thick girdle
c. deep pavilion
d. steep crown angle
10. One of the grades used in the GIA Diamond Cut Grade Scale is:
*Answers: 1d, 2c, 3a, 4d, 5a, 6b, 7b, 8b, 9c, 10d
To learn more about Diamonds before making your next purchase, contact your Professional Jeweller.