The Largest Diamonds in the World

July 29, 2019

All diamonds are valuable; these large diamonds are priceless!


("Mountain of Light") is one of the world's largest diamonds, weighing in at 186 carats when it was first discovered in 1304. This oval shaped cut stone is believed to have been set in the famous peacock throne of Shah Jehan. Re-cut during the reign of Queen Victoria it now weighs 108 carats and forms part of the British Crown Jewels.

Kohinoor diamond
The Koh-i-Noor diamond is the largest stone in the crown worn by Queen Elizabeth The Queen Mother. 'Koh-i-Noor' means 'Mountain of light' .

The Cullinan II is a cushion shaped diamond weighing 317,4 carats. It is the second largest diamond in the world and was cut from the same rough diamond as the Cullinan I. The diamond is in the center-front of the British Imperial State Crown.. It is also known as The second Star of Africa.

cullinan 1
cullinan 1 in the british royal crown

The Imperial State Crown is 31.5cm high, weighs 0.91kg and is set with over 3,000 precious stones, including the 317 carat Cullinan II diamond.
CULLINAN I - The Great Star of Africa

The Cullinan I is a pear shaped diamond weighing 530.20 carats. It measures 53mm x 44mm x 29mm, and has 76 facets (counting the culet and the table). Cullinan I was cut from the largest diamond ever found, the Cullinan and adorns the sceptre of King Edward VII and is on permanent display in the Tower of London. It is possible to remove the diamond from the Royal Scepter to wear it as a pin or pendant. This diamond is also known as “The Great Star of Africa”.

cullinan 2
cullinan 2 in the queen's sceptre

Dating from 1661, the Sovereign's Sceptre with Cross signifies temporal power. The sceptre is 92.2cm long. Precious stones include the 530 carat Cullinan I diamond. The sceptre contains the Cullinan I diamond. At just over 530 carats, Cullinan I is the world's largest diamond till today.

The Millennium Star is a pear-shaped diamond weighing 204,04 carats. It is the world’s second largest diamond in the top colour-grade D, internally and externally flawless, cut to perfect proportions. The rough diamond was weighing the magic number of 777 carats. The first is the 273.15 carat Centenary Diamond.

millenium star diamond

The Centenary, was discovered at the Premier Mine of South Africa on the 17th of July 1986 and joined the ranks of the worlds largest diamonds, it weighed in at 599.10 carats in rough form. Master-cutter Gabi Tolkowsky took almost three years to complete its transformation into the world's largest, modern-cut flawless diamond. The Centenary has 75 facets on top, 89 on the bottom and 83 on the girdle, for a total of 247 facets. It weighs 273.85 carats and now forms part of the British Crown Jewels.

centenary diamond

The Blue Hope another of the worlds largest diamonds was once owned by Louis XIV and officially designated the "blue diamond of the crown". It was stolen during the French Revolution but showed up again in 1830 and was bought by Henry Philip Hope of London, the diamond was named after the new owner. The Blue Hope Diamond is believed to carry a curse, two of the owners had their entire family die just one year apart. It now resides in the Smithsonian in Washington where it is recognized as one of the worlds largest diamonds.  The Hope Diamond was weighed by the Gemological Institute of America in 1988; it weighed in at a staggering 45.54 carats!  Blue diamonds of any size are very rare, a blue diamond larger than a few carats is beyond rare.

The blue hope diamond


The Excelsior which means "higher" is not only one of the worlds largest diamonds it is the second largest diamond ever found. It originally weighed 995.2 carats. The diamond was cut into ten pieces, the three largest weighing 158, 147 and 130 carats. These pieces were then cut into 21 gems ranging from 70 carats to less than 1 carat. An African mine worker found the diamond as he was loading his truck, he kept the find secret until he could safely turn it over to the mine manager who rewarded him with some money, a horse and a saddle.

The Excelsior Diamond
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