DCA Diamond Course: Lab-Grown
Diamonds ACTUAL QUESTIONS AND
CORRECT ANSWERS
What are the 3 impacting decisions when choosing between natural and lab-grown dias? -
CORRECT ANSWERS✅✅Origin, rarity, and intrinsic value
Scientists weren't successful creating dias until what year? - CORRECT ANSWERS✅✅the
1950s (specifically 1954)
Larger, single crystals of dia were 1st synthesized around ____, but commercial production
of gem quality synthetic dias began in ____, mostly used for technological purposes. -
CORRECT ANSWERS✅✅1970s; 1985
Gem quality manufactured dias didn't appear in the jewelry market until what years? -
CORRECT ANSWERS✅✅the 90s
True or false: lab-grown dias have all the same properties (chemical, physical, and optical) as
natural dias - CORRECT ANSWERS✅✅True
Natural diamond - CORRECT ANSWERS✅✅pure carbon crystallized in the isometric
system found by geologic (rock-forming) processes deep inside Earth, without human
involvement
Lab-Grown diamond - CORRECT ANSWERS✅✅pure carbon crystallized in the isometric
system that was made in a laboratory or manufacturing facility.
If demand continues or increases for dias, then expect prices to (decrease, stay the same, or
increase)? - CORRECT ANSWERS✅✅stay the same or increase. This means natural dias
hold their value over time.
As manufacturing techniques continue to improve, supply of lab-grown dias will continue to
increase. Do prices of lab-grown dias go up, stay the same, or down steadily? - CORRECT
Diamonds ACTUAL QUESTIONS AND
CORRECT ANSWERS
What are the 3 impacting decisions when choosing between natural and lab-grown dias? -
CORRECT ANSWERS✅✅Origin, rarity, and intrinsic value
Scientists weren't successful creating dias until what year? - CORRECT ANSWERS✅✅the
1950s (specifically 1954)
Larger, single crystals of dia were 1st synthesized around ____, but commercial production
of gem quality synthetic dias began in ____, mostly used for technological purposes. -
CORRECT ANSWERS✅✅1970s; 1985
Gem quality manufactured dias didn't appear in the jewelry market until what years? -
CORRECT ANSWERS✅✅the 90s
True or false: lab-grown dias have all the same properties (chemical, physical, and optical) as
natural dias - CORRECT ANSWERS✅✅True
Natural diamond - CORRECT ANSWERS✅✅pure carbon crystallized in the isometric
system found by geologic (rock-forming) processes deep inside Earth, without human
involvement
Lab-Grown diamond - CORRECT ANSWERS✅✅pure carbon crystallized in the isometric
system that was made in a laboratory or manufacturing facility.
If demand continues or increases for dias, then expect prices to (decrease, stay the same, or
increase)? - CORRECT ANSWERS✅✅stay the same or increase. This means natural dias
hold their value over time.
As manufacturing techniques continue to improve, supply of lab-grown dias will continue to
increase. Do prices of lab-grown dias go up, stay the same, or down steadily? - CORRECT
