Top 10 Most Expensive Diamonds in the World

10. The Blue Moon of Josephine Diamond: $48.4 million

Originally from Cullinan, South Africa, the 12.03-carat diamond was bought by Hong Kong Billionaire Joseph Lau in 2015. The diamond is classified as fancy vivid blue and is said to exhibit a red glow when observed under ultraviolet light.

9. The Winston Pink Legacy: $50.4 million

This 18.96-carat South African diamond is one of the most precious diamonds in the world. It was bought by Harry Winston at a Christie's auction.

8. The Graff Lesedi La Rona: $53 million

Originally from Botswana, the diamond was originally 1,109 carats but was cut down to 302.37 carats over 18 months. The diamond has set two world records, first for being the world's largest square emerald-cut diamond and second for the higher colour and clarity certified by GIA.

7. The Oppenheimer Blue Diamond: $57.5 million

Another diamond from Cullinan, the diamond is 14.62-carat and was originally owned by Sir Philip Oppenheimer.

6. The Regent Diamond: $61 million

Discovered in 1598, this is a unique white diamond with pale blue undertones. The stone has been passed through Dukes, Queen and Kings before it reached Lourvre in Paris in 1887.

5. The Pink Star Diamond: $71.2 million

Previously known as the Steinmetz Pink, the diamond is 59.6 carats. It is an exceptional pink diamond, the largest of its kind. It was sold to Chow Tai Fook Enterprises in Hong Kong in 2017.

4. De Beers Centenary Diamond: $100 million

With the highest grade colour rating, the exquisite diamond was unveiled at the De Beers centennial celebration in 1988. It is 273.85 carats.

3. The Hope Diamond: up to $350 million

Discovered in the 1600s in Golconda, India, the fancy blue diamond is 45.52 carats. It is currently on display at the Smithsonian Museum after being donated by Harry Winston.

2. The Cullinan Diamond: $400 million upward

Also known as the Star of Africa, it was discovered in 1905 and initially weighed 3,106.75 carats but was later cut down to 503.2 carats.

1. Kohinoor- Priceless

The most expensive diamond in the world, the Kohinoor has been given a priceless status due to its uniqueness and brilliance. The diamond is 105.6 carats and is placed right on top of the UK sovereign's crown.