Darya-I-Nur

Darya-I-Nur diamond is considered the largest pink diamond in the world. The stone is estimated to be somewhere in the 175 and weighs 195 carats and pale pink. The exact weight unknown, because the pin is mounted on its introduction more than 130 years. This stone is one of the celebrated Iranian crown jewels of diamonds and is also one of the oldest rocks known as the man.

De Beers Diamond

Weight of 234.65 carats, De Beers and the diamond facets to the seventh place in the world. It was found in the mine from De Beers Consolidated March 1888th Pre-cut diamond weighing 428.50 carats. It was the middle of the collar is known as the Patiala necklace honors 1928th In 1973, necklace is lost, it is found in most of the big jewelry store in London in 1998 the stone was missing. De Beers Diamond was sold in 1982 $ 3,160,000.

De Young Red Diamond

De Young Red is a red diamond 5.03 carats and is considered as the third largest in the world. This diamond is not really a pure red. This stone has a slightly brown hue, which makes reminiscent of a fine Ruby garnet-like. Since this is a very unique color of the diamond, he had never sold real estate sales are red garnet. Fortunately, this beautiful piece of gemstone was later brought back, and very rare red diamond. Currently, De Young Red is under the custody Smithsonian Museum in Washington, and is often marked by exhibitions of the museum.

Unlike Type I diamonds that derived from the color additives coated, diamond, diamonds, red is considered a type II and get their color process is called name plastic deformation. They get their color due to structural anomalies caused by plastic deformation during crystal growth. Pressure changes in the structure of dense diamond lattice and led to formation of pink, red, and Brown colored diamonds.

Dresden Diamond

The natural world is the largest green diamond in Dresden Green. It is classified as apple green "color and weighs 40.70 carats. Gemological Institute of America through the stone 1988th Dresden Green Diamond was proved to be not Only exceptional quality, but also a rare type IIa diamond and is the largest and it is still a beautiful natural green diamond ever found. Dresden Green is named after the capital of Saxony, where he has been exposed to more than 200 years. The first known reference to its existence occurs in New London boys' Post-sheet, 1700th Diamond was sold in Switzerland 1997 $ 715.320.

About the Author:

David Cowley has created numerous articles on Diamonds. He has also created a Web Site dedicated to Diamonds. Visit Diamonds

Article Source: ArticlesBase.com – World Famous Diamonds 4

Bob Hope Auction: Diamond Ring