The 10 Most Expensive Diamonds in the World

Let’s talk about most expensive diamonds worth millions first, then about the priceless ones. Jewelry stores sell excellent quality diamonds, no doubt about that. But the diamonds that are listed below are beyond the reach of the usual millionaires – if not all, most of them.

There you go!

10. The Allnatt Diamond

When and Where It Was Found: Major Alfred Ernest Allnatt’s surname was indeed used to name this stunning and one of the most expensive diamonds. The year and place where it was found is uncertain. However, if reports are to be believed, it was found at a place where De Beers Diamond mine is currently located. The Gemological Institute of America (GIA) has rated it among the best diamonds discovered so far. 

Estimated Price: $3 Millions

Carat: Cushion-Cut Diamond with 101.29 Carats (20.258g).

9. The Moussaieff Red Diamond

When and Where It Was Found: Discovered in Brazil by a local farmer, this is the largest red-colored triangular cut and is among the most expensive diamonds today.  It was found is 1990 and was named after and owned by Moussaieff Jewelers Ltd.

Estimated Price: $7 Millions

Carat: Triangular-Cut Diamond with 5.11 Carats (1.022g)

8. The Heart of Eternity

When and Where It Was Found: The year is uncertain, but the mine where this high-end diamond was found is located in South Africa. Gemological Institute of America has rated it as a Fancy Vivid Blue and is considered to the rarest of diamonds ever found so far.

Estimated Price: $16 Millions

Carat: Heart-Shape Diamond with 27.64 Carats (5.528g)

7. Wittelsbach Diamond

Image Credit: Wikipedia

When and Where It Was Found: Yet another of the most expensive diamonds in the world, Wittelsbach Diamond was once a part of Austrian and Bavarian crown jewel. London-based Jeweler, Laurence Graff, bought it in the year 2008, thus changing its name to Wittelsbach-Graff.

Estimated Price: $16.4 Millions

Carat: Before re-cut 35.51 Carats (7.11g), after re-cut 31.06 Carats (6.21g).

6. The Steinmetz Pink

When and Where It Was Found: The mine, the country of origin, and the year it was discovered are unknown. However, it was first unveiled in Monaco on the 29^th May, 2009, in Smithsonian’s exhibition named “The Splendor of Diamonds.” (as per Wikipedia)

Estimated Price: $25 Millions

Carat: 59.60 Carats (11.92g)

5. De Beers Centenary Diamond

When and Where It Was Found: One of the largest colorless and flawless diamonds ever, De Beers Centenary Diamond was found in a premier De Beers mine. There are no internal and external flaws.

Estimated Price: $100 Millions

Carat: 273.85 Carats (54.77g)

4. The Hope Diamond

Image Credit: Wikipedia

When and Where It Was Found: Loved, admired, and among most expensive diamonds in the world, The Hope Diamond, is priced at a whopping $350 millions. This isn’t for sale though. It is placed for Smithsonian Museum of Natural History located in Washington D.C., United States of America.

Estimated Price: $ 350 million

Carat: 45.52 carat (9.10 g)

3. The Cullinan Diamond

Image Credit: Wikipedia

When and Where It Was Found: The largest rough diamond ever discovered in the world, Cullinan diamond I & II are now part of British crown jewels. Cullinan Diamond I is referred as Star of Africa, and Cullinan Diamond II is referred as a Lesser Star of Africa

Estimated Price: $400 million

Carat: Rough Gem – 3,106.75 carats (621.35 grams); Cullinan Diamond I – 530.2 carats (106.0 grams); Cullinan Diamond II – 545.67 carats (109.13 grams)

2. The Sancy Diamond

When and Where It Was Found: Believed to be of Indian origin, the Sancy Diamond is named after the first owner Nicholas Harlai, Seigneur de Sancy. It is priceless. It is an extraordinarily beautiful pale yellow diamond with symmetrical facets. This is put at display at Apollo Gallery of the Louvre Museum located in France.

Estimated Price: Unestimated

Carat: 55.23 carats (11.05 g)

1. Koh-I-Noor

When and Where It Was Found: India’s most famous diamond, Koh-I-Noor,  discovered in Andhra Pradesh state, passed from one to ruler to another is now a part of British crown jewel. British East India Company seized this largest diamond ever before the Indian independence. This of course is the most expensive diamond along with the Sancy Diamond.

Estimated Price: Unestimated

Carat: 105 carats (21.6 g)

Conclusion

The most expensive diamonds are named above. You may want to own one or all but it’s not quite possible unless you’re that wealthy and have love for diamonds.