Diamonds are eternal and a girl's favorite mate. Diamonds are rough which is emphasized by its strength and beauty.

We at khanna gems best dealers in gemstones will give knowledge about most expensive diamonds.

Let's take a peek at the world's most expensive diamond

10. The Orange - 30 Million Euros

The orange diamond weighed about 14.82-carat brilliant diamond making a global record which was sold for approximately 32 million euros in the year 2013. Usually, blue and pink diamonds are in high demand. Nevertheless, this is a unique gem that astonished the world with its orange size and beauty.

9. The Princie - 33 Million Euros

Princie is a pink diamond weighing about 34.53 carats known for more than 300 years. It was mined from the Golconda mines in India. The diamond was brought by Van Cleef and Arpels from the Royal family of Hyderabad in 1960. They named the diamond Princie after Sita Devi's son. She was the princess of Baroda who now resides in Paris.

8. Graff Vivid Pink - 38.7 Million Euros

This is a 24.78-carat rectangular diamond described by the GIA as fancy vivid pink as the ideal description of the diamond saturation. The Graff Vivid Pink diamond is mounted on a ring worth 38.7 million euros.

7. Pink Star - 60.7 Million Euros

Earlier known by the name of Steinmetz Pink. It is one of the biggest pink diamonds ever seen acclaimed by the GIA. As it is America's finest description of 'Vivid Pink'. Weighing more than 59.59 carats which were bought in 2014 for approximately 60.7 million euros by Isaac Wolf. Later the news rolled out that he failed to pay for it.

6. Wittelsbach Graff – 67.4 Million Euros

Wittelsbach Graff is a very gorgeous diamond with a blue hue which was found nearly 300 years ago. It weighs about 35 carats. It also has been a significant part of Austria's crown jewel and was later purchased by Laurence Graff. It however required a few cutting and shapings without which it wouldn't look like a historical gem. In the year the Qatari Prince Sheikh Hamad Bin Khalifa bought it for 67.4 Million Euros.

5. The de Beers Centenary Diamond - 84.2 Million Euros

Named after de Beers mines that were consolidated as being a colorless one it is deemed as the supreme quality diamond. Titled to have D grade color which is internally and externally flawless. Weighs about 273.85 despite the original cut weighing about 590+ carats.

4. The Hope Diamond – 250 Million Euros

The magical diamond weighs about +45 carats and in normal lighting appears to be blue. However, when seen in ultraviolet light takes a red phosphor hue. It is said that it is cursed and can bring bad luck to anyone who owns it. Some stories state that it was taken from a statue in India. That is why it was cursed. At present, it is housed in the Smithsonian Museum.

3. The Cullinan -  337 Million Euros

The Cullinan was the most recent rough quality gem ever to be discovered. Now polished still weighs about 530 carats and has been said to be the 'Greatest Star of Africa' which is present in British Crown Jewels.

2. The Sancy - Priceless

At present housed in the French Crown of Louvre is yellow and has been through several owners. It weighs about 55.23 carats and has a shield shape. The value of the diamond is unknown.

1. Koh-i-Noor - Unknown

It's a diamond which is way too expensive to have any price. It weighs about 105 carats and one of the finest diamonds since 1294. However, the price of Koh-i-Noor is still not estimated while some say it may be priced over a billion euro.