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Fun Free Diamond Quiz

Everybody loves a little diamond 101.

Trivia, facts about diamonds and the 4C’s contain tons and tons of useful information that’s both fascinating and deep.

Hopefully this will make learning fun for anyone who craves knowledge about the most sought after rock in the world…

The diamond.

Grab a pencil and some paper. This test is made up of 50 questions. Some multiple-choice, some true and false and some fill-in-the-blanks, but all fun.

Write your answers down. Grade them at the end of the test where you will find both answers and scores. Enjoy! But beware…

Some questions are tricky. :)

So here we go… I present to you:

The diamond quiz:

Question 1:

A brilliant cut diamond has how many facets?

  1. 48
  2. 58
  3. 68
  4. 78

Question 2:

The brilliant cut diamond is the most popular cut of diamond in the world?

  1. TRUE
  2. FALSE

Question 3:

The word “adamas” means “diamond” in German?

  1. TRUE
  2. FALSE

Question 4:

All diamonds have a girdle equal to 100% width?

  1. TRUE
  2. FALSE

Question 5:

Diamonds can be cut into any shape in the world?

  1. TRUE
  2. FALSE

Question 6:

Fluorescence in a diamond can mean:

  1. A diamond can glow-in-the-dark
  2. A diamond has many flashes of color in it
  3. A diamond has double the amount of brilliance
  4. Fluoride inclusions can be found inside the diamond

Question 7:

Diamond is the hardest substance in the world?

  1. TRUE
  2. FALSE

Question 8:

All diamonds can cut glass?

  1. TRUE
  2. FALSE

Question 9:

VS2 means there are two very small inclusions in the diamond?

  1. TRUE
  2. FALSE

Question 10:

Diamond is the #1 spot on the MOH’s scale of hardness?

  1. TRUE
  2. FALSE

Question 11:

The culet is the pointed tip at the base of the pavilion?

  1. TRUE
  2. FALSE

Question 12:

What causes a diamond to have what they call a “fish-eye”?

  1. A large culet
  2. A thick girdle
  3. A narrow cut
  4. Extra facets

Question 13:

What causes a “flat tire” in a diamond?

  1. An uneven girdle
  2. An unpolished facet
  3. Flat pavilion facets
  4. Grain lines all in a row

Question 14:

The table of a round brilliant cut diamond is what shape?

  1. Octagon
  2. Square
  3. Star shaped
  4. Round

Question 15:

Diamonds cannot be burnt?

  1. TRUE
  2. FALSE

Question 16:

Diamontologists grade diamonds with what powered microscope?

  1. 5x
  2. 10x
  3. 15x
  4. 20x

Question 17:

The crown of a diamond refers to what?

  1. The outer circumference of a diamond
  2. The width of the table
  3. The top part of the diamond
  4. The bottom part of the diamond

Question 18:

You can’t chip a diamond?

  1. TRUE
  2. FALSE

Question 19:

The largest diamond in the world is what carat weight?

  1. 509 carats
  2. 3106 carats
  3. 617 carats
  4. 423 carats

Question 20:

Fire in a diamond refers to what?

  1. The temperature a diamond burns at
  2. The amount of heat a diamond gives off
  3. How red a diamond’s body tone is
  4. The amount of colored light a diamond gives off

Question 21:

Diamonds can float in water?

  1. TRUE
  2. FALSE

Question 22:

Diamonds are mined from what parent rock?

  1. Kimberlite
  2. Diamond rock
  3. Pegmatites
  4. Iron deposits

Question 23:

Diamonds grow in what crystalline formation?

  1. Cubic
  2. Rectangular
  3. Triangular
  4. Octagon

Question 24:

A bearded girdle is a girdle that…

  1. Has multiple hairline cracks around its edge
  2. Has long facets that extend deep into the pavilion
  3. Is rough and natural, not polished or smooth
  4. Has long straight facet lines cut into its edge

Question 25:

There is no ABC in diamond color because…

  1. ABC are saved for the fancy colors, like champagne color
  2. They didn’t want people to mix the letters with report numbers
  3. ABC was banned in the old days because of superstitions
  4. ABC was often confused with random gradings in the old days

Question 26:

You can crush a diamond with a hammer?

  1. TRUE
  2. FALSE

Question 27:

GIA terms SI3 clarity diamonds as “slightly imperfect”?

  1. TRUE
  2. FALSE

Question 28:

The ideal millimeter size of a 1.00 carat brilliant cut diamond is:

  1. 6mm
  2. 6.25mm
  3. 6.35mm
  4. 6.5mm

Question 29:

Who devised the ideal cut diamond?

  1. Tolkowsky
  2. Tolbowski
  3. Tobersky
  4. Tolkowski

Question 30:

The specific gravity of a diamond is:

  1. 3.32
  2. 3.42
  3. 3.52
  4. 3.62

Question 31:

Black diamonds are fancy black in color and very high in clarity?

  1. TRUE
  2. FALSE

Question 32:

All marquise cut diamonds have a “bow-tie”?

  1. TRUE
  2. FALSE

Question 33:

“SI” stands for:


Question 34:

A “natural” is what?

  1. A clean piece of diamond
  2. A rough spot on the diamond
  3. A diamond with no color
  4. An extra large girdle

Question 35:

Diamond was first given as an engagement ring in what year?

  1. 1477
  2. 1513
  3. 1648
  4. 1762

Question 36:

Diamond is the birthstone for what month?


Question 37:

Diamonds are actually 10x harder than a ruby?

  1. TRUE
  2. FALSE

Question 38:

A chipped diamond is worthless?

  1. TRUE
  2. FALSE

Question 39:

What gemstone can polish a diamond?


Question 40:

The rarest fancy color found in diamond is:

  1. Blue
  2. Pink
  3. Green
  4. Yellow

Question 41:

What can make a diamond appear foggy?

  1. Carat weight
  2. Color
  3. Clarity
  4. Cut

Question 42:

A half-carat is how many points?

  1. 25
  2. 50
  3. 58
  4. 75

Question 43:

One reason a diamond can be given extra facets is:

  1. To cut out small inclusions
  2. To widen the pavilion
  3. To enhance its color
  4. To enhance its polish

Question 44:

Black inclusions are better than white inclusions?

  1. TRUE
  2. FALSE

Question 45:

The depth of a diamond is a combination of:

  1. Table, girdle, pavilion
  2. Crown, pavilion, culet
  3. Table, pavilion, culet
  4. Crown, girdle, pavilion

Question 46:

The distinct line that cuts through the base of the pavilion from a side view is caused by what effect?

  1. Reflection of the girdle
  2. Light leaking out of the diamond
  3. Light bouncing across the pavilion
  4. A mirror image of the table

Question 47:

A trigon is what?

  1. Triangular pattern on the girdle
  2. The top 3 triangles of the table
  3. The bottom 3 pavilion facets
  4. The outer shape of the culet

Question 48:

Diamonds make a good investment?

  1. TRUE
  2. FALSE

Question 49:

Diamonds that are “faint yellow” are considered “fancy colored” diamonds?

  1. TRUE
  2. FALSE

Question 50:

Scintillation means?

  1. The way a diamond looks when you squint your eyes
  2. The amount of reflection a diamond has
  3. The fun house effect a pavilion makes
  4. The sparkle effects in a diamond

51: Extra credit worth 2 pts

Diamond is the traditional anniversary gift for the 50th anniversary?

  1. TRUE
  2. FALSE

52: Extra credit worth 2 pts

Diamonds come from outer space?

  1. TRUE
  2. FALSE

So there you have it…


50 ways to say I love diamonds!

How do you think you did?

Check your answers below.

(Grades and scores follow the answers.)

Good luck.

The answers:

1) B – 58 – (57 if there is no culet.)

2) A – True – Always has been.

3) B – False – Adamas means diamond in Greek (diamant is German).

4) A – True – Diamond proportions are measured against the widest part of the diamond, which is the girdle.

5) A – True – Mickey mouse… You got it.

6) A – It’s true. Most diamonds with fluorescence can glow-in-the-dark.

7) B – Tricky. – False – Diamonds are the hardest “natural” substance, but not the hardest “man-made” substance on earth.

8) A – True – Diamond is harder than glass. The harder substance wins (rock, paper, scissors anyone?)

9) B – False – VS2 can have unlimited inclusions, although very small in nature.

10) B – False – Diamond is a 10 (the absolute hardness is 1600).

11) B – False – The culet is when they cut that pointed tip off. The resulting facet created is called the culet.

12) C – A narrow cut can make a diamond look a little glassy and fishy.

13) A – A flat tire often refers to an uneven girdle. Usually alternating from thin to thick.

14) A – The table is octagon in shape.

15) B – Diamonds burn at 1405 Degrees.

16) B – 10x magnification is what all diamonds are graded with.

17) C – The crown is the whole raised area above the girdle.

18) B – False. Yes, you can chip a diamond.

19) B – WOW!!! The Cullinan diamond is 3106 carats. That’s one large diamond.

20) D – Colored light is the fire in a diamond (brilliance is the white light).

21) B – False – Diamonds sink in water.

22) A – The parent rock is called Kimberlite, which is actually a volcanic rock.

23) A – Cubic is correct. Who says diamonds aren’t square?

24) A – Tiny fractures or hairline cracks around the girdle is called a bearded girdle.

25) D – The term was dropped so it wouldn’t confuse people.

26) A – True – Don’t try this at home.

27) B – False – GIA doesn’t recognize SI3 at all.

28) D – 6.5mm is ideal for a 1.00 carat diamond.

29) A – Marcel Tolkowsky created the ideal cut in 1919 (the American standard).

30) C – 3.52 is the specific gravity of a diamond.

31) B – False – Black diamonds are actually low in clarity.

32) B – False – If the diamond is cut too shallow it won’t have that pretty little bow-tie.

33) “SI” stands for “slightly included”.

34) B – A rough spot on a diamond is called a natural.

35) A – 1477 – Archduke Maximilian started the whole diamond ring craze.

36) Diamond is the official birthstone for the month of April.

37) B – False – Diamonds are only 4x harder than a ruby (corundum).

38) B – False – Diamonds can always be traded-in, sold, re-cut or re-polished.

39) The only gemstone hard enough to polish a diamond is another diamond.

40) B – Pink. Pink is the rarest fancy color there is.

41) C – A low clarity (usually I clarity) can make a diamond look foggy.

42) B – 50 points is a half-carat diamond (.50 carats).

43) A – Cutting out small inclusions around the girdle makes the diamond clarity better but also leaves extra facets.

44) B – False. White inclusions are hidden better in a diamond than black ones.

45) D – The depth is made up of the crown, girdle and pavilion (base of the diamond).

46) C – Light comes into the diamond, hits the pavilion, bounces across and gets cast back out of the stone resulting in brilliance and sparkle.

47) A – Trigons are triangular shapes that often appear around the girdle.

48) B – False – Diamonds should never be bought as an investment.

49) B – False – “Faint yellow” refers to diamond colors K, L and M.

50) D – The way a diamond sparkles is scintillation.

51) B – False. (2 pts) The 50th anniversary is the golden jubilee.

52) A – True. (2 pts) Look to the sky, diamonds could be in the next meteorite.

So how did you score?

Total up your points and grade yourself.

0-10 Correct

Diamond Novice – Ouch. Scary. Read more. Read a lot. You’ve only just begun. There’s so much about diamonds you just don’t know yet…

11-20 Correct

Diamond Rookie – Keep learning. Keep reading. Soak it all up. Buy some books on the subject. Keep at it grasshopper. Read: best diamond books to buy.

21-30 Correct

Diamond Scholar – Not bad. Not bad at all. You’ve got the basics and are understanding diamonds and the 4C’s. Nicely done. Respectable.

31-40 Correct

Diamond Specialist – Great! Impressive! You know your diamonds. You understand quality. You’ve done a great job learning, studying and training. Don’t stop.

41-50 Correct

Diamond Master – Excellent! Congratulations, it Looks like you know a thing or two about diamonds. Ever think about becoming a jeweler?

51-54 Correct

Expert Diamontologist – Perfection! I think you’re a real professional in the field and the tops when it comes to diamonds and diamond knowledge. :) Hats off to you.

If you have any questions or comments about this quiz, email me here.

Cheers! :)

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Ultrasonic Jewelry Cleaner Jewelry Steam Cleaner Complete Jewelry Cleaner Kit Diamond Dazzle Stick
Gold Silver Jewelry Polishing Cloths Jewelry Making Supplies Kit Gold Acid Test Kit Watch Tool Repair Kit
Ring Adjusters EMT Emergency Ring Cutter 10x Jewelers Loupe Jewelers Microscope

Recommended Jewelry Supplies:

Ultrasonic Jewelry Cleaner Jewelry Steam Cleaner
Complete Jewelry Cleaner Kit Diamond Dazzle Stick
Gold Silver Jewelry Polishing Cloths Jewelry Making Supplies Kit
Gold Acid Test Kit Watch Tool Repair Kit
Ring Adjusters EMT Emergency Ring Cutter
10x Jewelers Loupe Jewelers Microscope

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