Top 10 Largest Diamonds Ever Discovered On The Earth

6. The Centenary Diamond

CentenaryDiamond

The 273.85 carat gem is the third-largest diamond to have been produced in the Premier Mine. Discovered on the 17th of July 1986, the original stone had 599 carats and it was cut by a team lead by Gabi Tolkowsky. Once the final design was adopted, the grade D color diamond was reduced to 273.85 carats, 39.90 × 50.50 × 24.55 mm and 247 facets – 164 on the stone and 83 around its girdle. The current owner, location and value of this diamond is unknown but the stone was insured for $100 million in 1991. The Centenary was found in Premier mine in 1986, in its rough form it weighed 599 carats. When cutting was completed the Centenary weighed 273.85 carats, measured 39.90 × 50.50 × 24.55 mm, and had 247 facets – 164 on the stone and 83 around its girdle. Never before, had such a high number of facets been polished onto a diamond. The true value of the Centenary diamond is unknown, but the diamond was insured for around $100 million in 1991.

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