|The Blue Empress is a spectacular 14 carat, symmetrical pear-shaped, fancy vivid blue diamond.|
The stone was mined at the Premier Diamond Mine in South Africa and was purchased from De Beers by the Steinmetz Group. It was first offered for sale by London’s Harrods in 2003 for £10 million.
|The 67.50-carat, cushion-cut Black Orlov is named black but is the colour of gun metal. Like the story behind the famous Hope diamond, legend has it that the Black Orlov was an uncut black stone of 195 carats, pried out of the eye (forehead) of the statute of the sacred Hindu God Brahma from a temple in Southern India.|
The diamond turned up in Russia, where it was bought by Princess Nadia Vyegin Orlov. It was purchased in 1947 by Charles F Winson who sold it to an unknown buyer in 1969 for $300,000.
|The Paragon Diamond is one of the more unusually shaped diamonds. It is a 7 sided diamond that measures 137.82 carts and is rated a flawless D in color. The necklace currently belongs to the Graff Company and is set in combination necklace - bracelet setting.|
The gem was mined in Brazil.
|The Donnersmarck Diamonds are two yellow diamonds, named after their one time owner Henckel von Donnersmarc. One, a baguette-shaped diamond weighing 102.54 carats, was sold for $3.246 million.|
The second, tear drop in shape and weighing 82.48 carats, was sold for $4.666 million.
|The Sun-Drop Diamond at 110 carats is the world’s largest yellow diamond. It sold at auction for $10.91m in 2011.|
It was found in South Africa in 2010. The stone was cut as a Pear Brilliant, also called Drop Cut.
|The Kazanjian Red Diamond is an extraordinary 5.05-carat red gem on temporary display in the Museum's Morgan Memorial Hall of Gems. Red diamonds are the rarest among colored diamonds. Only three 5-carat red diamonds are known to exist: the Kazanjian Red diamond, the trilliant-cut 5.11-carat Moussaieff Red, and the 5.03-carat De Young Red.|
The original 35-carat piece of rough was discovered in Lichtenburg, South Africa
|The Spoonmaker's Diamond is a 86 carat pear-shaped diamond, pride of the Imperial Treasury exhibitions at the Topkapi Palace Museum, Tehran.|