Study Guides/General Knowledge/Most Expensive Diamond
Study Guide · General Knowledge

What is the Most Expensive Diamond in the World?

Diamonds are the hardest and most prized gemstones on Earth. While billionaires buy diamonds worth millions, there are a few historic diamonds that are so rare and beautiful that they are considered practically priceless.

Question (Click to Flip)

What is the most expensive diamond in the world?

Answer

The Hope Diamond is considered the most expensive valued diamond, worth around $250-$350 million. However, historically, the Koh-i-Noor is considered the most famous and 'priceless' diamond in the world.

Card 1 of 1 free previews

Key Facts

Most Expensive Valued: The Hope Diamond (worth over $250 Million).

Color of Hope Diamond: Deep Blue.

The Priceless Diamond: Koh-i-Noor (Mountain of Light).

Origin: Both of these legendary diamonds were originally mined in India.

1. The Hope Diamond (The Most Expensive Valued Diamond)

If we look at diamonds that have an estimated monetary value, the Hope Diamond takes the top spot.

  • Value: It is estimated to be worth around $250 to $350 Million USD.
  • Features: It is a massive 45.52-carat diamond famous for its rare, deep blue color.
  • The Curse: Found originally in the Kollur Mine in India, it is famous for a legend that says it is 'cursed', bringing tragedy to anyone who owns it. It is currently locked safely in the Smithsonian Museum in Washington D.C.

2. The Koh-i-Noor (The Priceless Diamond)

If we look at historical importance, the most famous and expensive diamond is the Koh-i-Noor (Mountain of Light).

  • Value: It is considered Priceless (cannot be bought with money).
  • History: Originally mined in India, it belonged to various Mughal and Sikh rulers before it was taken by the British Empire.
  • Current Location: It is a massive 105.6-carat colorless diamond that is currently set in the front of the British Queen Mother's Crown, locked in the Tower of London.

Questions and Answers

What is the most expensive diamond in the world?+

The Hope Diamond is considered the most expensive valued diamond, worth around $250-$350 million. However, historically, the Koh-i-Noor is considered the most famous and 'priceless' diamond in the world.

More in General Knowledge

🧠

What is a Group of Lions Called?

Find out what a group of lions is called in English grammar. Learn about the collective noun 'Pride' and how a lion family structure works.

🧠

Happy Teachers Day Quotes

Happy Teachers Day quotes in English and Hindi. Best wishes, messages, and short quotes to share on 5 September — Dr. Sarvepalli Radhakrishnan's birthday. Teachers Day 2025.

🧠

HD Full Form

HD full form is High Definition — refers to video/image resolution (720p or 1080p). Also: Hard Disk (computing) and Hemodialysis (medical). All meanings explained.

🧠

What Does Higher Secondary Mean?

Higher Secondary means Class 11 and Class 12 (10+2 level) in India. Also called Senior Secondary or Intermediate. Board exams, streams, and qualifications explained.

🧠

What is the Highest Civilian Award in India?

Learn about the Bharat Ratna, the highest civilian award in India. Find out who it is given to, the shape of the medal, and its historical significance.

Study Smarter with Shinyu.ai

Turn this guide into revision flashcards, a practice exam, or an AI-generated podcast — free, no signup required.