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Check Your Gemology IQ

Do You Have the Sparkle to Be a Gemologist? đź’Ž

Think you know your diamonds from your topaz? Your cat’s eye from your color grade? Step into the glittering world of gems and test your knowledge with the International Gemological Institute’s official Gemology IQ Quiz. This isn’t just trivia — it’s your first step toward becoming a certified gemologist. Whether you’re a curious collector or a future professional, this quiz is your gateway to IGI’s renowned gemology programs. So grab your loupe, channel your inner expert, and let’s see if you’ve got what it takes to shine in the world of gemology. Ready to begin? Take the quick quiz below and check your knowledge.

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What is the hardest known substance on Earth?
The 4 Cs of diamonds stand for Carat, Cut, Clarity, and…
Which shape of diamond is known for its brilliance and sparkle?
What continent produces the most diamonds by volume today?
What is the unit used to measure the weight of a diamond?
Which color grade represents a completely colorless diamond?
What is the coolest thing about diamonds besides their sparkle?
What is a lab-grown diamond?
Which of these is a birthstone for July?
Which of these gems changes colour under different lighting – like magic?
Which country is famously known for high-quality emeralds?
If your favourite colour is blue, which gem would you pick?
Which gem displays a play of colors and looks like a rainbow?
If a gem has inclusions, what does that mean?
Pearls are formed inside….?
Which of these is not an organic gem?
Amethyst belongs to which gemstone family?
What is the gemological term for star effect?
Which gemstone is linked to good luck, wisdom and Jupiter in astrology?
What’s the unique thing about a cat’s eye gemstone?