Diamonds & Diamond Grading Exam Questions and Correct Answers Latest Update (Already Passed)
WHOLESALERS - Answers Someone who sells to retailers rather than directly to consumers
APPRAISAL - Answers An estimation of the value of an article, usually for insurance purposes
SINGLE-CHANNEL MARKE...
SIGHTHOLDERS - Answers A diamond manufacturer or dealer invited by De Beers to buy rough
diamonds
SPECIALS - Answers A rough diamond over 10.80 cts., sold separately to a sightholder who specializes in
larger stones
VERTICAL INTEGRATION - Answers Involvement of a business or industry in all aspects of its product's
market
BENEFICIATION - Answers A commitment to reserve a portion of the resources derived from any country
for the economic development of that country
SUPPLIER OF CHOICE - Answers Program adopted by De Beers in 2001, in which it required its
sightholders to help increase market demand for diamonds
SUPPLIER OF CHOICE 2 - Answers Program adopted by De Beers in 2007 to answer critics and resolve
short-comings of its original SOC program
BEST PRACTICES PRINCIPLES (BPP) - Answers De Beers' formalized commitment of itself and its
sightholders to the highest ethical standards
, CONFLICT DIAMONDS - Answers Rough diamonds used by rebel movements or their allies to finance
conflict aimed at undermining legitimate governments
KIMBERLEY PROCESS (KP) - Answers Diamond industry program designed to ensure that diamonds
crossing international borders are legitimate and do not fund civil conflict or terrorism
CUTTING CENTER - Answers A city, region, or country with a large number of gemstone manufacturers
BRICK-AND-MORTAR RETAILERS - Answers A traditional store consisting of walls and a fixed location
ELECTRONIC RETAILERS - Answers Business that sells to consumers via television or computer
CRUST - Answers The surface and outermost layer of the earth
MANTLE - Answers Layer between the earth's crust and its core
CORE - Answers Earth's innermost layer
CRATONS - Answers Ancient, large, and stable parts of the earth's continental crust
IGNEOUS ROCK - Answers A category of rocks formed from a molten state
METAMORPHIC ROCK - Answers A category of rocks that have been altered by heat and pressure
SUBDUCTION - Answers Process in which two crustal plates collide, forcing one under the other
KIMBERLITE - Answers An igneous rock that transports diamonds to the surface
LAMPROITE - Answers An igneous rock, rarer than kimberlite, that transports diamonds to the surface
EMPLACEMENT - Answers A geologic process that delivers materials (sometimes diamonds) to the
surface
PIPE - Answers A deep vertical formation at the earth's surface that results from a kimberlite or
lamproite emplacement
PRIMARY DEPOSITS - Answers Gems found in the rock that carried them to the surface
SECONDARY DEPOSITS - Answers Gems found away from their primary source
MARINE DEPOSITS - Answers Secondary diamond deposit carried by rivers or streams to the ocean floor
or shoreline
ORE GRADE - Answers Concentration of diamond in a potentially mineable deposit
INDICATOR MINERALS - Answers Minerals formed together with diamonds at great depths and brought
to the surface by the same kimberlites or lamproites
MICRODIAMOND TESTING - Answers Screening for the presence of tiny diamonds in a sample
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