Sunday, June 2, 2013

Largest Gem Diamonds in the World - Redux

The Golden Jubilee at 545.67 carats is the largest known gem quality diamond. The rough stone weighed 755 carats and was discovered at the Premier mine, South Africa in 1985. The Golden Jubilee was presented to the King of Thailand in 1997 for his Golden Jubilee - the 50th anniversary of his coronation.
The Cullinan I, a pear shaped diamond weighing 530.20 carats ... known as the Star of Africa.

The Cullinan I is the largest of 9 large stones cut from the 3106 carat Cullinan Diamond. King Edward used it in the Sovereign's Royal Sceptre, part of the Crown Jewels on display in the tower of London.
The Incomparable. 890 carats rough was found in the town of Mbuji Mayi in the Democratic Republic of Congo (formerly Zaire) in the 1980s. Four years were spent studying and then cutting the stone, the biggest piece of rough ultimately yielded a gem weighing 407.48 carats; it is the third largest diamond ever cut. Internally flawless clarity and fancy brownish-yellow in color.
The Cullinan II is 317.40 carats, a cushion shaped diamond in the center-front of the Imperial State Crown of Great Britain. Cullinan II was also cut from the largest gem-quality diamond ever found, the Cullinan. It was named after Sir Thomas Cullinan, who opened the mine and was visiting on that eventful day. The nine larger stones of the Cullinan diamond remain in personal possession of the Royal Family.
The Spirit of de Grisogono, at 312.24 carats, is the world's largest cut black diamond. It is set with 702 white diamonds totaling 36.69 carats. This diamond originally had a rough weight of 587 carats and was mined several decades ago in west Central Africa.
The De Beers diamond was found in Kimberly mines in 1888, the rough stone weighed 428.50 carats. Weighing 234.65 carats finished, the De Beers is the 8th largest faceted diamond in the world.

The Red Cross is canary yellow cushion-shaped diamond with weight of 205.07 carats. The rough stone weighed 375 carats and was found in Kimberly mines South Africa in 1901. A Maltese Cross is distinctly visible in the top facet.
The Darya-ye Noor (Persian: دریای نور‎) which means "Sea of Light", or "Ocean of Light", weighing an estimated 182 carats.

Its colour, pale pink, is one of the rarest to be found in diamonds.