Famous gems Famous gems The Allnatt Diamond is a diamond measuring 101.29 carats (20.258 g) with a cushion cut, rated in color as Fancy Vivid Yellow by the Gemological Institute of America. This diamond is named after one of its famous holders, Major Alfred Ernest Allnatt, a soldier, sportsman, art patron and a benefactor in many groups. While it is not known precisely where the Allnatt originated, many experts believe that it was probably found in what is now known as the De Beers Premier Diamond Mine. ...more on Wikipedia about "Allnatt Diamond"
The Black Prince's Ruby is actually a bead-shaped spinel weighing roughly 170 carats (34 g) that is the size of a chicken egg. It is currently set in the cross pattée above the 317.40 carat (63.48 g) Cullinan II in front of the Imperial State Crown. The Black Prince's Ruby is one of the oldest of the Crown Jewels of the United Kingdom, with a known history dating back to the middle of the 14th century and having been in the possession of the British kings since it was given in 1367 to its namesake, Edward of Woodstock (the "Black Prince"). ...more on Wikipedia about "Black Prince's Ruby"
The De Beers Centenary Diamond is, at 273 carats (54.6 grams), the third-largest diamond to have been produced in the Premier Diamond Mine. The Centenary Diamond is rated in color as grade D colorless by the Gemological Institute of America, which is the highest grade of colorless diamond and is considered internally and externally flawless. It was named the Centenary Diamond as it was presented in the rough for the Centennial Celebration of the De Beers Consolidated Mines on May 11, 1988. The Centenary Diamond was unveiled in final form in May 1991. ...more on Wikipedia about "Centenary Diamond"
The Cullinan Diamond, found by Frederick Wells, surface manager of the Premier Diamond Mining Company in Cullinan, Gauteng, South Africa on June 25 1905, is the largest rough gem-quality diamond ever found, at 3,106.75 carats (621.35 g). Although a carbonado found in Brazil weighed more than 3,600 carats (720 g), no gem-quality material could be extracted from it. The stone was named after Sir Thomas Cullinan, the owner of the diamond mine. ...more on Wikipedia about "Cullinan Diamond"
On May 27th, 1971, Christie's auction house in Geneva offered to prospective buyers a cushion-cut, 104.52 carat (20.904 g) fancy golden-yellow diamond which would later come to be known as the Deepdene. ...more on Wikipedia about "Deepdene"
The Dresden Green diamond is a 41 carat (8.2 g) natural green diamond that has a historical record dating to 1722, when a London news-sheet carried an article about it in its 25 October-27th edition. ...more on Wikipedia about "Dresden Green Diamond"
The Excelsior Diamond was found on June 30, 1893 at the Jagersfontein mine by a worker while loading a truck. Until 1905, when the larger Cullinan diamond was found, the Excelsior was the largest known diamond in the world. It had a blue-white tint and weighed 971 carats (194.2 g). It was ultimately cut into ten stones weighing from 13 to 68 carats (2.6 to 13.6 g). ...more on Wikipedia about "Excelsior Diamond" Tell your opinion about http://www.shortopedia.com
The Great Chrysanthemum Diamond is a diamond measuring 104.15 carats (20.830 g) with a Pear-Shaped Modified Brilliant Cut, rated in color as Fancy Brown by the Gemological Institute of America. The diamond's origins are in South Africa, where it was bought by the jeweler Julius Cohen as a 198.28 carat (39.656 g) rough in 1963. After buying it Cohen returned to New York where he had it cut into its distinctive pear shape by S&M Kaufman. Due to its unique coloring similairities to the brown chyrsanthemum, it was named after that flower. ...more on Wikipedia about "Great Chrysanthemum Diamond"
The Heart of Eternity is a diamond measuring 27.64 carats (5.528 g), rated in color as Fancy Vivid Blue by the Gemological Institute of America. The Heart of Eternity was cut by the Steinmetz group, who owned the diamond before selling it to the De Beers Group. ...more on Wikipedia about "Heart of Eternity Diamond"
The Hope Diamond is a large, deep blue diamond, currently housed in the Smithsonian Natural History Museum. The diamond is legendary for the misfortunes it supposedly visits upon its possessors. ...more on Wikipedia about "Hope Diamond"
"Koh-i-noor" (کوۂ نور) is from the Persian language and means "Mountain of Light". The Koh-i-Noor, Koh-i-Nur, or Kohinoor is a 105 carat (21.6 g) diamond that originated in the Indian subcontinent and belonged to various rulers at different points in its history, very often passing from one to another by force or deceit. ...more on Wikipedia about "Koh-i-Noor"
A number of large or extraordinarily colored diamonds have gained fame, both as exquisite examples of the beautiful nature of diamonds, and because of the famous people who wore, bought, and sold them. A partial list of famous diamonds in history follows. ...more on Wikipedia about "List of famous diamonds"
The Logan sapphire is named after Mrs. John Logan who donated the gemstone to the Smithsonian Institute in 1960. The Logan sapphire is a flawless specimen, possesses a rich blue color and is the second largest (blue) sapphire known, weighing 423 carats. ...more on Wikipedia about "Logan sapphire"
The De Beers Millennium Star is, at 203.04 carat (40.608 g), the world's largest top colour (D), internally and externally flawless, pear-shaped diamond. ...more on Wikipedia about "Millennium Star"
The Moussaieff Red Diamond is a diamond measuring 5.11 carats (1.022 g) with a triangular brilliant cut (sometimes called a trillion or a trilliant cut), rated in color as Fancy Red by the Gemological Institute of America. While this may seem relatively small when compared to other famous diamonds, the Moussaieff Red is, in fact, the largest Fancy Red the GIA reports having rated. The Moussaieff Red is reported to have been found by a Brazillian farmer in the mid-1990's as a rough of approximately 11 carats. The diamond was purchased and cut by the William Goldberg Diamond Corp., where it went by its original name the Red Shield. It is currently owned by Moussaieff Jewelers Ltd. ...more on Wikipedia about "Moussaieff Red Diamond"
The Neelanjali Ruby, at 1,370 carats (274 g), is the world's largest double-star ruby. ...more on Wikipedia about "Neelanjali Ruby"
The Ocean Dream is a diamond measuring 5.51 carats (1.102 g), rated in color as Fancy Deep Blue-Green by the Gemological Institute of America. The Ocean Dream is the only natural diamond known to the GIA to possess its blue-green hue, making it one of the rarest diamonds in the world. (A blue-green colour is commonly seen in artificially enhanced diamonds, whose colour is imparted by various irradiation methods.) After careful study, the GIA concluded that its distinct hue is a result of millions of years of exposure to natural radiation. The Ocean Dream originated in Central Africa, and is currently owned by the Cora Diamond Corporation. ...more on Wikipedia about "Ocean Dream Diamond"
Within the Diamond Fund of the Kremlin is a large diamond known as the Orloff (sometimes spelled Orlov). The origin of this resplendent relic—described as having the shape and proportions of half a hen's egg—can be traced back to a Hindu temple in 18th century Mysore, southern India. ...more on Wikipedia about "Orloff"
The Pumpkin Diamond is a diamond measuring 5.54 carats (1.108 g) rated in color as Fancy Vivid Orange by the Gemological Institute of America. While this may seem relatively small when compared to other famous diamonds, the Pumpkin Diamond is, in fact, one of the largest Fancy Vivid Oranges the GIA reports having rated and is unique compared to other orange diamonds because it is relatively light-colored and notably intense. The Pumpkin Diamond was mined in South Africa, cut and polished by William Goldberg, and put to auction at Sotheby's where it was bought by Ronald Winston of the House of Harry Winston for the price of $1.3 million. It is currently estimated to be valued at $3 million. ...more on Wikipedia about "Pumpkin Diamond"
At 2,475 carats (495 g), the Rajaratna Ruby is the world's largest ruby. Due to the presence of an asterism (distinctive star-shaped light refraction) in the gem, the Rajaranta Ruby is also the world's largest star ruby with its 6 point asterism. In Sanskrit, "Rajaratna" literally means King's Jewel. Raja (King) + Ratna (Jewel). The ruby belongs to a Mr. G Vidyaraj and is reported to be in Bangalore India. ...more on Wikipedia about "Rajaratna Ruby"
The Regent diamond is part of the crown jewels of France, and is one of the few jewels not sold at auction replaced with cut glass during the French revolution in 1887. It is mounted in a Greek diadem designed for Empress Eugenie. ...more on Wikipedia about "Regent Diamond"
The Sancy, a pale yellow diamond of 55.23 carats (11.046 g), was once reputed to have belonged to the Great Moguls of antiquity, but is more likely of Indian origin owing to its cut which is unusual by Western standards. ...more on Wikipedia about "Sancy"
The Star of India is a 563.35 carat (112.67 g) star sapphire, probably the largest such gem in the world. It is almost flawless and unusual in that it has stars on both sides of the stone. The gem was mined in Sri Lanka, is a greyish blue, and currently resides in the American Museum of Natural History in New York City. ...more on Wikipedia about "Star of India (gem)"
The Steinmetz Pink is a diamond measuring 59.6 carats (11.92 g), rated in color as Fancy Vivid Pink by the Gemological Institute of America. The Steinmetz Pink is the largest known diamond having been rated Vivid Pink. As a result of this exceptional rarity, the Steinmetz group took a cautious 20 months to cut the Pink. It was unveiled in Monaco on May 29 2003, in a public ceremony. ...more on Wikipedia about "Steinmetz Pink Diamond"
Since 1908, Cullinan I, also known as the Great Star of Africa, had held the title of "largest faceted diamond in the world". That changed, following the 1985 discovery of a large brown diamond of 755 carats (151 g) in the prolific blue ground of the Premier mine in South Africa; the diamond would later be cut and named The Golden Jubilee, with an unsurpassed weight of 545.67 carats (109.13 g). ...more on Wikipedia about "The Golden Jubilee"
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