GIA DDG Final Exam, Health Sciences Program, Academic Year 2026 – Study Guide and
Practice Questions
A diamond grading system provides - ANS✔✔ a consistent way to communicate diamond
quality.
A wholesaler is someone who - ANS✔✔ sells to retailers.
Diamond prices on wholesale price lists - ANS✔✔ depend on the market conditions that exist
when the lists are published.
Large, high quality diamonds are graded much more thoroughly than small, low - ANS✔✔
quality ones.
Diamond's supreme hardness and durability are - ANS✔✔ a result of the conditions under
which it formed.
Once diamond deposits are located, mining companies - ANS✔✔ must spend additional time
and money to evaluate and develop them.
An estimation of the value of an article is a(n) - ANS✔✔ appraisal.
The most consistent and dependable sources of diamond grades are - ANS✔✔ reputable
gemological laboratories.
Substantial price discounts are available to retailers and jewelry manufacturers who - ANS✔✔
can buy in large quantities.
A diamond's clarity and color grades indicate its - ANS✔✔ quality.
, Reputable gem laboratories don't grade mounted diamonds because - ANS✔✔ mountings hide
details of clarity and cut.
Dealers often sort melee by size using - ANS✔✔ sieves.
The diamond industry has changed dramatically in recent years because - ANS✔✔ the world's
supply of diamond rough has increased.
The Argyle mine in Australia contributed to - ANS✔✔ the rise of the cutting industry in India.
Wholesale price lists are usually organized according to - ANS✔✔ specific combinations of the
Four Cs.
Before the discovery of South Africa's diamond deposits, the world's two major producers were
India and - ANS✔✔ Brazil.
Diamond sources started appearing in South Africa during the - ANS✔✔ 1860s.
The Central Selling Organisation was a - ANS✔✔ rough diamond distribution agency.
The South African diamond rush was sparked by - ANS✔✔ the discovery of the Star of South
Africa.
The soft, diamond bearing material near the surface of a diamond field was named - ANS✔✔
yellowground.
Practice Questions
A diamond grading system provides - ANS✔✔ a consistent way to communicate diamond
quality.
A wholesaler is someone who - ANS✔✔ sells to retailers.
Diamond prices on wholesale price lists - ANS✔✔ depend on the market conditions that exist
when the lists are published.
Large, high quality diamonds are graded much more thoroughly than small, low - ANS✔✔
quality ones.
Diamond's supreme hardness and durability are - ANS✔✔ a result of the conditions under
which it formed.
Once diamond deposits are located, mining companies - ANS✔✔ must spend additional time
and money to evaluate and develop them.
An estimation of the value of an article is a(n) - ANS✔✔ appraisal.
The most consistent and dependable sources of diamond grades are - ANS✔✔ reputable
gemological laboratories.
Substantial price discounts are available to retailers and jewelry manufacturers who - ANS✔✔
can buy in large quantities.
A diamond's clarity and color grades indicate its - ANS✔✔ quality.
, Reputable gem laboratories don't grade mounted diamonds because - ANS✔✔ mountings hide
details of clarity and cut.
Dealers often sort melee by size using - ANS✔✔ sieves.
The diamond industry has changed dramatically in recent years because - ANS✔✔ the world's
supply of diamond rough has increased.
The Argyle mine in Australia contributed to - ANS✔✔ the rise of the cutting industry in India.
Wholesale price lists are usually organized according to - ANS✔✔ specific combinations of the
Four Cs.
Before the discovery of South Africa's diamond deposits, the world's two major producers were
India and - ANS✔✔ Brazil.
Diamond sources started appearing in South Africa during the - ANS✔✔ 1860s.
The Central Selling Organisation was a - ANS✔✔ rough diamond distribution agency.
The South African diamond rush was sparked by - ANS✔✔ the discovery of the Star of South
Africa.
The soft, diamond bearing material near the surface of a diamond field was named - ANS✔✔
yellowground.
