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Diamonds and Gemstones Trivia Quiz

This is a quiz for all the people out there that love diamonds and gemstones.

A multiple-choice quiz by tigerjewel. Estimated time: 4 mins.

Author
tigerjewel

Time
4 mins

Type
Multiple Choice

Quiz #
31,986

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
5 / 10

Plays
3217

Last 3 plays: Guest 63 (10/10), DCW2 (10/10), Guest 74 (4/10).

One at a Time - Single Page - Timed Game

1. What chemical element are diamonds made of? Hint

Sodium Chloride

Titanium

Diamonite

Carbon

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2. How many facets does a standard brilliant cut diamond have? Hint

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3. Which of these diamond cuts was only invented in the 1960s? Hint

Emerald

Square

Princess

Marquise

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4. What is the birthstone for the month of August? Hint

Citrine

Citron

Diamond

Peridot

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5. Pearls are found in... Hint

Conchs and Augers

Pearlshell and Abelonia

Scallops and Lobsters

Oysters and Mussels

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6. Which of these is not a term used to describe an opal? Hint

Black Opal

Lunar Opal

Boulder Opal

Mexican Fire Opal

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7. Sapphires come in every color except what? Hint

red

yellow

blue

colorless

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8. Tanzanite is mined from where in the world? Hint

Tasmania

Tanzania

Tarmania

Albania

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9. A Tsavorite garnet is what color? Hint

red

green

reddish-purple

reddish-orange

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10. On the GIA grading scale, what is the highest grade of color for colorless diamonds? Hint

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Most Recent Scores

Apr 12 2025 : Guest 63: 10/10
Apr 04 2025 : DCW2: 10/10
Mar 26 2025 : Guest 74: 4/10

Score Distribution

Quiz Answer Key and Fun Facts

1. What chemical element are diamonds made of?

Answer: Carbon

A diamond is formed by carbon crystallizing.

2. How many facets does a standard brilliant cut diamond have?

Answer: 58

A single cut diamond usually has 18 facets.

3. Which of these diamond cuts was only invented in the 1960s?

Answer: Princess

4. What is the birthstone for the month of August?

Answer: Peridot

In ancient cultures peridot was called 'the gem of the sun'.

5. Pearls are found in...

Answer: Oysters and Mussels

Pearls are actually the only gemstone formed inside a living organism.

6. Which of these is not a term used to describe an opal?

Answer: Lunar Opal

Opal is one of two birthstones for October. The other is pink tourmaline.

7. Sapphires come in every color except what?

Answer: red

A ruby is made of the same elements(Aluminum Oxide) as sapphire. The only difference is that a ruby is red.

8. Tanzanite is mined from where in the world?

Answer: Tanzania

Tanzanite is usually treated with heat to enhance the violet-blue color.

9. A Tsavorite garnet is what color?

Answer: green

Rhodolite garnets are redish-purple and Pyrope and Almandite have the redish-orange hues.

10. On the GIA grading scale, what is the highest grade of color for colorless diamonds?

Answer: D

D color represents the most colorless diamond and z represents all the rare fancy colored diamonds.

Source: Author tigerjewel

This quiz was reviewed by FunTrivia editor crisw before going online.
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