Multiple choice general knowledge

Which of these pearls are the most valuable in the world?

  1. Natural pearls that are perfectly spherical

  2. Cultured pearls with spherical shape

  3. None of these

  4. Natural pearls with the most unusual shapes

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural pearls that form perfectly spherical without human intervention are extremely rare and therefore the most valuable. Cultured pearls are intentionally created by humans, while irregular natural pearls lack the premium that perfect symmetry commands.