The World's Largest Diamond

The world's largest diamond

Diamonds originate from the deepest part of the volcano which also contain carbon atoms and. Which is in fact a diamond is a transparent crystal which binds the four parts of carbon atoms. Diamond stone surface of the earth carried through volcanic eruptions. According to the study, the increase due to the diamond surface of the earth to melt rock.

Diamonds out of the many miles of the earth's surface, at depths 150 km (90 miles), at a pressure of approximately 5 giga pascal with temperatures around 1200 degrees Celsius (2200 degrees Fahrenheit). Diamonds may be a natural form of other suitable high pressure, relatively low temperatures at the time. Unfortunately however, not diamonds can be formed from the bottom of the sea.

Below are 10 pieces of diamond or diamonds in the world's largest

1. The Golden Jubilee

Weight: 545.67 carats

Golden Jubilee, weighing 545.67 carats, is the largest diamond in the world. When I first found weighed 755 carats and was discovered in Premier mine, South Africa in 1985. Golden Jubilee has been dedicated to the King of Thailand in 1997 for the 50th anniversary of his coronation. Estimated value of the Golden Jubilee is $ 4 - $ 12 million.

2. The Cullinan I - aka the Star of Africa

Weight: 530.20 carats

The Cullinan I, a pear-shaped diamond weighing 530.20 carats is also known as the Star of Africa. Has a size of 53mm x 44mm x 29mm, and has 76 sides. Someone said that Cullinan is the largest of the nine pieces of the previous diamond-shaped stone blocks weighing 3106 carats. Cullinan was placed by King Edward at the Royal Sovereign stick as part of the Crown Jewels, The estimated value of Cullinan I is more than $ 400 million!

3. The Incomparable

Weight: 407.48 carats

The Incomparable (Shepherds), in a rough state weighing 890 carats, was found in the town of Mbuji Mayi in the Democratic Republic of Congo (formerly Zaire) in 1980. Four years spent studying and then cut the stone, the lion's share of rough ultimately produce weighing 407.48 carats gem; it is the third largest diamond ever cut. This gem has a size of 53.90 × 35.19 × 28.18 mm.

4. The Cullinan II

Weight: 317.40 carats

Cullinan II is a large cushion-shaped diamond weighing 317.40 carats. Diamond is placed on the front-center of the royal Crown of Great Britain. Cullinan II was cut from the largest gem diamond ever found, weighing 3106 carats, or about 1 1 / 3 pounds. He was named after Sir Thomas Cullinan, who opened the mine for the first time. The nine larger stones of Sir Thomas Cullinan diamond to date remain in the British Crown Jewels or in the personal possession of the royal family.

5. The Spirit of de Grisogono

Weight: 312.24

The Spirit of de Grisogono, weighing 312.24 carats, cut from a chunk of the world's largest black diamond. Assembled in white gold, covered with 702 white diamonds at 36.69 carats. This initially rough diamond weight of 587 carats and was mined decades ago in west central Africa prior to import into Switzerland.

6. The Centenary

Weight: 273.85 carats

The Centenary was found in the Premier mine in 1986, in the form of which weighs 599 carats rough. When cutting the 273.85 carat Centenary completed. Ukuranya 39.90 × 50.50 × 24.55 mm, and has the aspect of 247-164 over a stone and 83 on the bodice. Approximate value of the Centenary diamond is unknown, but the diamond was insured for approximately $ 100 million in 1991.

7. The Jubilee

Weight: 245.35 carats

  

Jubilee is a cushion-shaped diamond weighing 245.35 carats. This rock was first discovered irregular octagonal with initial weight 650.80 carats. Found in Jagersfontein Mine towards the end of 1895. Diamond early plan is planned to be presented to Queen Victoria. Eventually, however, this did not happen and the diamond remained with their owners. The following year finally presented to the Diamond Jubilee of Queen Victoria to her coronation 75 warnings.

8. The De Beers

Weight: 234.65 carats

The De Beers mine in Kimberly was first discovered in 1888, rough stone weighed 428.50 carats in size 47.6 mm x 38.1 mm. Weighing 234.65 carats, currently The De Beers diamond facet is the world's eighth largest. Having shown in Paris, the Maharaja of Patiala bought the De Beers. In 1928 Cartier diamond weave Paris became a ceremonial necklace that came to be known as the Patiala Necklace. Necklace originally contained about 2930 diamonds weighing about 962.25 carats. However, now the existence of The De Beers Patiala is not known.

9. The Red Cross

Weight: 205.07 carats

The Red Cross canary yellow diamond weighing 205.07 carats. First rough stone weighed 375 carats was found in Kimberly mines (South Africa) in 1901. Diamond was presented as a gift auction house Christie's in 1918, on behalf of the British Red Cross.

10. The Millennium Star

Weight: 203.04 carats

The Millennium Star is internally and externally flawless pear-shaped diamonds (total 54 pieces). Weighing 203.04 carats is the largest order of 10 largest diamonds in the world. At first, the stone diamond weighing 777 carats was found in Mbuji-Mayi district of Zaire (Democratic Republic of Congo) in 1990. After 5 months of study and planning of cutting stone, it was decided to cut the rough diamond into three parts. The Millennium Star is the result of the largest. Value of the stone has not been revealed but the Millennium Star was insured for 100 million pounds.

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