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The Hope Diamond is a large, 45.52-carat (9.10 g), deep-blue diamond, now housed in the Smithsonian Natural History Museum in Washington, D.C., U.S.A.

Top 75 Biggest & Most Famous Legendary Diamonds

Diamond News, Reviews & Resources (147) World's Top 75 Biggest & Most Famous Diamonds

"Big girls need big diamonds." - Elizabeth Taylor.

"I have always felt a gift diamond shines so much better than one you buy for yourself." - Mae West.

In mineralogy, DIAMOND is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is less stable than graphite, but the conversion rate from diamond to graphite is negligible at standard conditions. Diamond is renowned as a material with superlative physical qualities, most of which originate from the strong covalent bonding between its atoms. In particular, diamond has the highest hardness and thermal conductivity of any bulk material. Those properties determine the major industrial application of diamond in cutting and polishing tools and the scientific applications in diamond knives and diamond anvil cells.

Most natural diamonds are formed at high temperature and pressure at depths of 140 to 190 kilometers (87 to 118 mi) in the Earth's mantle. Carbon-containing minerals provide the carbon source, and the growth occurs over periods from 1 billion to 3.3 billion years (25% to 75% of the age of the Earth). Diamonds are brought close to the Earth's surface through deep volcanic eruptions by a magma, which cools into igneous rocks known as kimberlites and lamproites. Diamonds can also be produced synthetically in a high-pressure high-temperature process which approximately simulates the conditions in the Earth's mantle. An alternative, and completely different growth technique is chemical vapor deposition (CVD). Several non-diamond materials, which include cubic zirconia and silicon carbide and are often called diamond simulants, resemble diamond in appearance and many properties. Special gemological techniques have been developed to distinguish natural and synthetic diamonds and diamond simulants.

Diamonds are thought to have been first recognized and mined in India, where significant alluvial deposits of the stone could be found many centuries ago along the rivers Penner, Krishna and Godavari. Diamonds have been known in India for at least 3,000 years but most likely 6,000 years.

Mined rough diamonds are converted into gems through a multi-step process called "cutting". Diamonds are extremely hard, but also brittle and can be split up by a single blow. Therefore, diamond cutting is traditionally considered as a delicate procedure requiring skills, scientific knowledge, tools and experience. Its final goal is to produce a faceted jewel where the specific angles between the facets would optimize the diamond luster, that is dispersion of white light, whereas the number and area of facets would determine the weight of the final product. The weight reduction upon cutting is significant and can be of the order of 50%. Several possible shapes are considered, but the final decision is often determined not only by scientific, but also practical considerations. For example the diamond might be intended for display or for wear, in a ring or a necklace, singled or surrounded by other gems of certain color and shape.

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    Diamond News, Reviews & Resources
  • 29.6-carat blue diamond found in South Africa's Cullinan mine - "The 29.6-carat stone was recovered by Petra Diamonds at its Cullinan mine, about 40km (25 miles) north-east of Pretoria. Petra unearthed a 25.5 carat blue diamond which sold for $16.9m in 2013."
  • Sotheby's Lot 357 (April 21, 2015, New York): The Ultimate Emerald-Cut Diamond, 100.20 carats, D color, Internally Flawless, IIa.
  • 100-carat 'perfect' diamond sells for $22 million -
  • 101-Carat Diamond Could Fetch $10 Million At Sotheby’s New York Auction - "The 101.41-carat Juno diamond is the top lot at Sotheby’s New York Magnificent Jewels sale on Thursday. The internally flawless, D-color pear-shaped gem is named after the queen of the gods and the goddess of light and fertility. Juno reigned supreme in the Roman pantheon. She was worshipped for her radiance and auspicious nature, serving as an apt namesake for this majestic and exquisitely voluptuous pear-shaped diamond. Its estimate is reportedly $10 million."
  • The 102.39-Carat Diamond, Perfect in Every Way.
  • 102.39-carat D Colour Flawless Oval Diamond a 'bargain' at $16m - "A rare 102-carat white diamond has sold at auction for $15.7m (£12.1m) in what experts say is a 'bargain'. The gemstone went to an unnamed telephone bidder. The auction was held online by Sotheby's in Hong Kong due to the pandemic. The diamond was taken from a 271-carat stone which was discovered at a Canadian mine in 2018."
  • A Heritage of Bloom.
  • A Heritage of Bloom - called the world’s most expensive diamond necklace, at an estimated cost of US$200 million. Its 11,551 diamonds, with jade pieces to create the butterflies and bats, total 383 carats; the centerpiece diamond alone weighs 104 carats.
  • Annenberg Diamond.
  • Annenberg Diamond - square, 32.01-carat emerald-cut diamond that billionaire philanthropist Leonore Annenberg bought for her 90th birthday sold for US$7.7 million at auction on October 22, 2009.
  • Argyle Pink Diamonds.
  • ARGYLE PINK DIAMONDS - "Each year the prestigious Argyle Pink Diamonds Tender showcases a number of masterpiece stones that have been named in keeping with a sense of their place in history, and of desirability for the very beautiful and rare.
  • Aurora Green Diamond - 5.03-carat (1.006 g) vivid green diamond with VS2 clarity. In May 2016, the Aurora Green became the largest vivid green diamond to ever sell at auction.
  • BACKES AND STRAUSS - "Masters of Diamonds since 1789." The oldest diamond company in the world.
  • 'Bleu Royal' diamond expected to fetch up to $50 million - "The largest internally flawless fancy vivid blue diamond ever put up for auction could sell for up to $50 million at a Christie’s sale of rare jewels in Geneva on November 7, 2023, the auctioneer said on Thursday. Known as 'Bleu Royal,' this vivid blue diamond - which is set in a ring - is among the rarest ever to be unearthed. 'What makes Bleu Royal so rare and special is its size. At 17.6 carats, it’s the largest of its kind,' said Rahul Kadakia, Christie’s international head of jewelry."
  • Blue Moon of Josephine Diamond - 12.03-carat Fancy Vivid Internally Flawless Blue diamond.
  • Blue Moon of Josephine Diamond - "The 12.03-carat Fancy Vivid Internally Flawles Blue Moon of Josephine Diamond sold for 48.634.000 CHF / US$48.468.158 million at Sotherby's in Geneva on November 11, 2015. The gem also set a world record for any jewel at more than US$4 million per carat.
  • Cartier Classic Diamond Bracelet - Lignes Essentielles bracelet, 18K white gold, set with 47 brilliant-cut diamonds totaling 6.38 carats.
  • Cartier Classic Diamond Bracelets - 18K white gold, set with 47 brilliant-cut diamonds totaling 6.38 carats.
  • CECIL RHODES & DIAMONDS - Wikipedia.
  • The nine major stones cut from the rough Cullinan diamond. Top: Cullinans II, I and III. Bottom: Cullinans VI, VIII, IV, V, VII & IX.
  • Cullinan Diamond - largest gem-quality diamond ever found, at 3106.75 carat (621.35 g, 1.37 lb) rough weight.
  • De Beers Cullinan Blue. Image courtesy Sotheby’s.
  • De Beers Cullinan Blue - "Sotheby’s is set to auction the De Beers Cullinan Blue Diamond in April 2022 during its Hong Kong Luxury Week sales, starting at an estimate of $48-million. The 15.10-carat step-cut diamond is the largest vivid blue diamond ever to appear at auction and the largest internally flawless step-cut vivid blue diamond that the Gemological Institute of America (GIA) has ever graded."
  • DE BEERS JEWELLERY - "Because a diamond is forever."
  • DIAMOND IN THE ROUGH - launched in 2003 as a unique fashion statement to showcase the beauty of rough diamonds to individual clients.
  • Empress EugÉnie - oval-shaped brilliant diamond, perfectly cut, and weighing 51 carats. It is named for the French empress Eugénie de Montijo, who owned it in the late 19th century. It is currently in the hands of a private collector.
  • Enigma Black Diamond Sells For $4.3 Million At Auction - "Sotheby’s sold a 555.55-carat Fancy Black Diamond—believed to have come from outer space—for an astronomical $4.28 million at auction on Tuesday. Bidding closed at £3.2 million, excluding buyer’s premium, and the diamond was offered without reserve."
  • FAMOUS DIAMONDS - De Beers: "The World of Famous Diamonds."
  • Farnese Blue Diamond: Fancy Dark Grey-Blue, Natural Colour, SI1 Clarity.
  • Farnese Blue Diamond - "Three Centuries of History." Historic and highly important fancy dark grey-blue diamond jewel. Set with a pear-shaped fancy dark grey-blue diamond weighing 6.16 carats, within a frame of pinched-collet set cushion-shaped diamonds. Fancy Dark Grey-Blue, Natural Colour, SI1 Clarity.
  • GEM DIAMONDS - "Gem Diamonds is a leading producer of high-value diamonds."
  • GRAFF DIAMONDS - since 1960 "The Most Fabulous Jewels in the World." Discovering the most brilliant gem-quality diamonds demands an expedition deep into the earth, the most challenging treasure hunt imaginable. Day after day, our gemologists strive to uncover gemstones that equal or surpass the finest diamonds ever unearthed. Often many millions of years old, every Graff stone is responsibly mined and traceable to its source.
  • Graff Venus type IIa, 118.78ct diamond.
  • Graff Venus - "Our Flawless Heart Shape Diamond." The largest D Colour Flawless, Type IIA 118.78 Carats, heart shaped diamond in the world. Creating diamond history requires good fortune, great skill and tremendous courage. A rare large rough stone holds infinite possibilities beneath its surface and once or twice in a lifetime, a genuine wonder emerges. The Graff Venus is one example - a stone of such beauty, it could only be named after the goddess of love.
  • HOUSE OF MOUAWAD - "Over the years, Mouawad has acquired a collection of diamonds that is arguably one of the world's finest in private hands. Some of the largest diamonds in existence take their place among the stunning treasures in this museum-quality collection."
  • John Hatleberg - conceptual gem artist recognized for the diversity of his work with jewels. He is the world authority on creating exact replicas of famous diamonds.
  • Koh-i-Noor diamond.
  • Koh-i-Noor - large, colourless diamond that was found near the modern city of Hyderabad, India, possibly in the 13th century. It weighed 793 carats (158.6 g) uncut and was first owned by the Kakatiya dynasty. The stone changed hands several times between various feuding factions in South Asia over the next few hundred years, before ending up in the possession of Queen Victoria after the British conquest of the Punjab in 1849.
  • Krupp Diamond | Elizabeth Taylor Diamond.
  • Krupp Diamond | Elizabeth Taylor Diamond - 33.19-carat (6.638 g) stone, sold at Christie's on 16 December 2011, for US$8,818,500, by the estate of Dame Elizabeth Taylor. Welsh actor Richard Burton gave the stone to the British-American actress in 1968 after acquiring it at auction for US$305,000, during the fourth year of their first marriage.
  • Largest diamond in 300 years unearthed in Angola - "The Australian site operator named the 170-carat stone The Lulo Rose."
  • Leviev - 'Home to the World's Most Extraordinary Diamonds'. 31 Old Bond Street, London W1S 4QH, England, U.K. Since 2006.
  • LEVIEV - "Home to the World's Most Extraordinary Diamonds." Flagship boutique on London's Old Bond Street, U.K. since 2006.
  • Louis Vuitton 1,758 carat Sewelô diamond. Foto: Louis Vuitton.
  • Louis Vuitton Diamond - the 1,758 carat Sewelô diamond. Tthe second largest diamond in modern history displayed at it's Place VendÔme store in Paris.
  • Lucara Diamond: 1,111 Carat type IIa Karowe Diamond.
  • LUCARA MAKES DIAMOND HISTORY RECOVERS 1,111 CARAT DIAMOND - Lucara Diamond: November 18, 2015.
  • LUGANO DIAMONDS - established in 2005. Newport Beach, CA, U.S.A. "Dedicated to becoming a client's jeweler for life."
  • Lulo Rose may be largest pink diamond found in 300 years.
  • Lulo Rose may be largest pink diamond found in 300 years - "At 170 carats, this may be the largest pink diamond found in 300 years."
  • Napoleon Diamond Necklace at Smithsonian National Museum of Natural History, 700 Independence Ave SW, Washington, DC 20560, U.S.A.
  • Napoleon Diamond Necklace - diamond necklace commissioned by Napoleon I of France c. 1811–1812. Designed by Etienne Nitôt and Sons of Paris and consists of 234 diamonds. It is currently on display in the Smithsonian Institution in Washington, D.C., United States.
  • NICKY OPPENHEIMER - today's uncrowned 'King of Diamonds'.
  • Nirav Modi Classic Embrace Bangle.
  • Nirav Modi - "Haut Diamantaire." Luxury diamond jewellery with over a century of diamantaire legacy. Discover the finest diamond jewels for everyday wear and special ...
  • Okavango Blue 20.46 carat blue diamond.
  • Okavango Blue - The Okavango Diamond Company's rare find, the Okavango Blue of Botswana, is an exceptional 20.46 carat blue diamond like no other. Botswana’s state-owned diamond marketer has unveiled a gem that exceeds the clarity and purity of one of the world’s most famous, the Hope Diamond.
  • Oppenheimer Blue Diamond.
  • Oppenheimer Blue Diamond - the largest Vivid Blue diamond ever to appear at auction is the latest in a line of historic blue diamonds that have been auctioned at Christie’s on May 18, 2016 selling for history-making CHF56,837,000 / US$58,246,847 earning 'World's Most Expensive' title for a record-setting amount for any jewel sold at auction.
  • Orlov Diamond - 189.62 metric carats and it measures 47.6 mm in height, 31.75 mm in width, and 34.92 mm in length.
  • Oscars 2019: Lady Gaga's Priceless 128.54 Carat "Tiffany Diamond" Necklace Was Last Worn by Audrey Hepburn in 1961 - W Magazine.
  • PETRA DIAMONDS - owner of the Cullinan diamond mine.
  • PETRA DIAMONDS' LATEST FIND: 507.55 carat diamond - rough white diamond recovered at the Cullinan mine on 24 September 2009.
  • Pink diamond found in Botswana expected to fetch over $35 million - ‘Ultra-rare’ pink diamond expected to sell for more than $35 million at auction.
  • Pink Star.
  • Pink Star - A True Masterpiece of Nature - "The largest Internally Flawless, Fancy Vivid Pink diamond that the GIA has ever graded, this 59.60 carat diamond is a true masterpiece of nature." Sold for 553,037,500 HKD (US$71.2 million), including the buyer's premium, or auction house charge at Sotheby's in Hong Kong on April 4, 2017.
  • Princie diamond - approximately 34.65 carat cushion-cut fancy intense pink diamond discovered 300 years ago in the Golconda mines. Christie's (who auctioned it on Tuesday 16/04/2013, when it fetched a price of 39.3 million dollars) say that the Princie Diamond is believed to be the third largest pink diamond in the world after the Darya-ye Noor (ca. 175 to 195 carats) and the Noor-ol-Ain (ca. 60 carats) which are both part of the Iranian Crown Jewels but which were both cut, according to experts, from one single ca. 242 carat pink diamond.
  • Queen Marie-Antoinette’s Diamonds.
  • Queen Marie-Antoinette’s Diamonds - "On 9 November 2021 Christie’s will proudly offer THE MARIE ANTOINETTE DIAMONDS as lot 1 of its live Magnificent Jewels Auction to be held at the Four Seasons Hotel des Bergues. Presented in their current form, the 112 diamonds, originally belonging to Queen Marie-Antoinette of France (1755-1793), are set as a historic pair of bracelets (estimated $2,000,000-4,000,000)."
  • diamond bracelets that Marie Antoinette had to have - even if it meant borrowing a fortune from her husband - "Stowed away during the French Revolution, the dazzling jewels - which, miraculously, have remained intact rather than being broken up - have spent the past two centuries hidden from view in a private royal collection." The historic Marie-Antoinette diamonds, a stunning pair of diamond bracelets. 18.7 cm each. Estimate: CHF2,000,000-4,000,000. Offered in Geneva Magnificent Jewels on 9 November 2021 at Christie’s in Geneva, Switzerland.
  • Queen Sophie's Diamond Tiara.
  • Queen Sophie's Diamond Tiara - The Royal Order of Sartorial Splendor.
  • RAIMAN ROCKS - large carat diamonds Los Angeles, CA, U.S.A.
  • Regent Diamond - 141-carat (28.2 g).
  • Regent Diamond - 141-carat (28.2 g) diamond owned by the French state and on display in the Louvre, worth as of 2015 £48,000,000. It is widely considered the most beautiful and the purest diamond in the world. At the current 2016 exchange rate of $1.28 USD / £1, the Regent Diamond value is estimated at $61,440,000.00 USD.
  • SAFDICO | SOUTH AFRICAN DIAMOND CORPORATION - "Safdico is one of the world’s leading diamond manufacturing and trading companies. We are synonymous with extraordinary levels of innovation, craftsmanship and professionalism."
  • samer halimeh new york - since 1999. "Exceptional Diamond Jewellery by Diamond Dealer Samer Halimeh. Rare Diamonds. Famed Diamonds. Rough and Polished Stones. Bridal Jewellery."
  • The Sancy, a pale yellow diamond of 55.23 carats (11.046 g).
  • Sancy - pale yellow diamond of 55.23 carats (11.046 g), was once reputed to have belonged to the Mughals of antiquity, but is more likely of Indian origin owing to its cut, which is unusual by Western standards. The Sancy's known history began circa 1570. The prominent Astor family possessed it for 72 years until the 4th Viscount Astor sold it to the Louvre for $1 million in 1978.
  • Scarselli Diamonds - since 1957. "Scarselli Diamonds has provided the world's most exquisite, natural colored diamonds to diamonds connoisseurs." Scarselli Diamonds trades in natural colored diamonds, the majority of which are yellow, pink, red, or blue, in addition to colorless diamonds. They also sell other gemstones including emeralds, sapphires, and rubies.
  • Sotheby's Diamonds: world's largest, rarest & most valuable' D-Flawless round diamond.
  • Sotheby's Diamonds - "100 Carats Flawless Perfection." Unveiling a stone of exception – an extraordinarily rare 102.34 carat white diamond. The stone is the only known round brilliant-cut diamond over 100 carats perfect according to every critical criterion: in addition to the high number of carats, the stone is also perfect in colour, clarity and cut ever graded by the G.I.A.
  • SOTHEBY'S GENEVA - world's largest flawless blue 7.03 diamond sold for US$9,488,754 on May 12th, 2009.
  • SUN-DROP DIAMOND - the world's largest known yellow diamond (110.3 ct.) has been sold at auction for CHF10 mio./US$10,915 mio. at Sotheby's Geneva on November 15, 2011.
  • TAYLOR-BURTON DIAMOND - diamond weighing 68 carats (13.6 g), became notable in 1969 when it was purchased by actors Richard Burton and Elizabeth Taylor. Burton had previously been the underbidder when jeweller Cartier bought the diamond at auction for $1,050,000, setting a record price for a publicly sold jewel. Thousands of people in New York and Chicago queued to see the diamond after its 1969 sale. It was subsequently worn by Taylor at Princess Grace of Monaco's 40th birthday, and at the 42nd Academy Awards.
  • THE CENTENARY - "On March 11th, 1988, the centenary celebrations of De Beers took place in Kimberly and a banquet was held to close the Kimberly Mine (aka the 'Big Hole'). An audience of four hundred people, including representatives of several national governments of diamond-producing countries and dignitaries from various sections of the industry, listened to the welcoming speech of the chairman, Julian Oglivie Thompson, totally unprepared for his final sentence: 'We have recovered at the Premier Mine a diamond of 599 carats which is perfect in color - indeed it is one of the largest top-color diamonds ever found. Naturally it will be called the Centenary Diamond.'"
  • THE CULLINAN - "The Star of Africa, a pear shaped diamond weighing 530.20 carats, aka the Cullinan I. It measures 58.9 × 45.4 × 27.7 mm, and has 76 facets (counting the culet and the table). It is called the Cullinan I because it's the largest of the 9 large stones cut from the Cullinan Diamond, and the Cullinan II is the massive 317.40-carat cushion shaped diamond in the center-front of the Imperial State Crown of Great Britain. The Crown also features the Black Prince's Ruby, as well as St. Edward's Sapphire, and the Stuart Sapphire. All the stones in the crown seem to have a history. The Star of Africa holds the place of 2nd largest cut diamond in the world and is on display with the other Crown Jewels in the Tower of London."
  • The De Beers Blue 15.10 carat step-cut blue diamond.
  • The De Beers Blue - "This extraordinary 15.10 carat step-cut blue has been cut from an exceptional rough stone discovered in April 2021. In its masterfully crafted, newly formed state, it now re-emerges as the largest vivid blue diamond ever to appear at auction and the largest internally flawless step cut vivid blue diamond that the Gemological Institute of America (GIA) has ever graded." The world's largest blue diamond ever to come to auction has sold for 450,925,000 HKD, or $57.5 million on April 27, 2022. With a final price of $57,471,960, The De Beers Cullinan Blue just narrowly missed setting the record for the most expensive blue diamond ever to sell at auction. That title is still held by the 14.62-carat 'Oppenheimer Blue,' which sold in 2016 with a final price of $57,541,779, a difference of just under $70,000.
  • The Enigma: 555.55 Carat Fancy Black Diamond.
  • The Enigma: 555.55 Carat Fancy Black Diamond - "555.55-carat black diamond that is truly from out of this world has been unveiled by auction house Sotheby's Dubai. The rare gem, which Sotheby's has dubbed 'The Enigma,' is believed to have come from outer space - either created from a meteoric impact or from a 'diamond-bearing' asteroid that collided with Earth."
  • The Eternal Pink 10.57 carats diamond.
  • The Eternal Pink: The Most Significant Pink Diamond To Ever Appear at Auction - At 10.57 carats, the cushion-cut Internally Flawless Fancy Vivid Purplish Pink Diamond is the most vivid pink diamond ever to come to market. The 23.78 carat rough which yielded The Eternal Pink was mined by De Beers at the Damtshaa mine in Botswana, and was meticulously fashioned into an exquisite cushion cut - over a period of six intense months - by Diacore’s team of artisans, maximizing the diamond’s electric 'bubblegum' color to full potential. The Eternal Pink will be offered as a part of Sotheby's Magnificent Jewels auction on 8 June at Sotheby’s New York.
  • THE GRAFF PINK - 24.78 carats, Fancy Intense Pink, Natural Colour, VVS2 Clarity. World's most expensive gem: CHF45,442,500 / US$46,158,674. Bought at Sotheby's Geneva on November 16, 2010 by London jeweller Laurence Graff.
  • The Hope Diamond at Smithsonian National Museum of Natural History, 700 Independence Ave SW, Washington, DC 20560, U.S.A.
  • THE HOPE DIAMOND - 45.52 carats. On display at the Smithsonian National Museum of Natural History.
  • The Light of Africa: 103.49 carats.
  • THE LIGHT OF AFRICA - A SENSATIONAL DIAMOND - "Sold for US$20,084,000 on June 8, 2022 at Christie's: 103.49 carats, D color, Flawless, excellent polish and symmetry, Type IIa."
  • THE MILLENNIUM STAR - "De Beers and the Steinmetz Group has unveiled the world's rarest and arguably the most valuable set of diamonds ever put together to mark the year 2000. Stressing that 'millennia come and go, but diamonds are forever,' the diamond giant's Chairman Nicky Oppenheimer presented the De Beers Millennium Star, a D-color, internally and externally flawless pear-shape, cut to perfect proportions, weighing a hefty 203.04 carats. It is the second largest faceted D-Flawless diamond in the world, the 273.15 carat Centenary Diamond is the first."
  • The Peace Diamond: 709 carats (141.8 g).
  • The Peace Diamond - 709 carats (141.8 g). Alluvial diamond was found in 2017 by Pastor Emmanuel Momoh in river sediment in Koryardu village, Kono district, Sierra Leone.
  • The Pink Legacy (weighing 18.96 carats).
  • The Pink Legacy - a Fancy Vivid Pink cut-cornered rectangular-cut diamond of 18.96 carats. Sold for CHF50,375,000/US$50 million on Tuesday, November 13, 2018 at Christie's auction house in Geneva.
  • The Pink Star (weighing 59.60 carats).
  • The Pink Star - on 4 April 2017 in Hong Kong, Sotheby’s set a new world auction record for any diamond or jewel when the Pink Star, a 59.60-carat oval mixed-cut Fancy Vivid Pink Internally Flawless diamond, sold for HK$553 million/US$71.2 million.
  • The Premier Blue - 7.59 carat round brilliant-cut internally flawless (IF) fancy vivid blue diamond.
  • The Premier Blue - 7.59 carat round brilliant-cut internally flawless (IF) fancy vivid blue diamond.
  • The Rock, 228.31 carats.
  • The Rock - Pear brilliant-cut diamond of 228.31 carats, accompanied by a fitted case; with a round diamond and platinum pendant mounting, signed Cartier. GIA, 2022, report #2175864368: 228.31 carats, G colour, VS1 clarity, excellent polish and symmetry. Accompanied by a letter from the Gemological Institute of America stating that this diamond is the 'largest existing D-to-Z colour range pear-shaped diamond' graded by their laboratory. The Rock was sold for 21,681,000 CHF ($21.9 million) at Christie's in Geneva on May 11, 2022.
  • THE SPIRIT OF DE GRISOGONO DIAMOND - world's largest cut black diamond and the world's fifth largest diamond overall.
  • Tiffany Yellow Diamond - 128.54 carats (25.108 g).
  • Tiffany Yellow Diamond - one of the largest yellow diamonds ever discovered. Its carat weight was originally 287.42 carats (57.484 g) in the rough when discovered in 1878 in the Kimberley mine in South Africa. It was cut into a cushion shape of 128.54 carats (25.108 g) with 82 facets—24 more than a traditional round brilliant—to maximize its brilliance. The facet pattern features eight needle-like facets pointing outward from the culet (bottom) facet. Its permanent home is at the Tiffany & Co. flagship store in Midtown Manhattan, New York City.
  • Lady Gaga Wears the 128-Carat Tiffany Diamond - "The gem dates back to the beginning of the American firm."
  • Williamson Pink Star - 11.15-carat: US$49.9 million.
  • Williamson Pink Star sets world record highest price per carat for a diamond sold at auction - "The 11.15-carat Williamson Pink Star diamond, auctioned by Sotheby's Hong Kong, sold for $392 million Hong Kong dollars ($49.9 million) on October 7, 2022."
  • Winston Legacy flawless 101.73 carats diamond.
  • Winston Legacy - the world's largest pear-shaped, D color, type IIA, flawless diamond: 101.73 carats. Sold at Christie's Geneva on May 15, 2013 for US$26,737,913 (US$254,400 per carat) to American New York 5th Avenue Jewelers Harry Winston (since January 2013 owned by Swatch Group), setting a new world record at auction for a colorless diamond.
  • WITTELSBACH-GRAFF DIAMOND - 31.06-carat (6.212 g) deep-blue diamond with internally flawless clarity originated from the Kollur Mine, India. Laurence Graff purchased the Wittelsbach Diamond in 2008 for £16.4 million. In 2010, Graff revealed he had had the diamond cut by three diamond cutters to remove flaws. The diamond was now more than 4 carats (800 mg) lighter and was renamed the Wittelsbach-Graff Diamond. There is controversy, as critics claim the recutting has so altered the diamond as to make it unrecognisable, compromising its historical integrity.
  • Largest Diamond (118.28-carat D-Flawless) Ever Sold At Auction Fetches US$30.6 Million.
  • WORLD AUCTION RECORD FOR A WHITE DIAMOND - 118.28-carat D-Flawless diamond sold for of HK$238.68 million / US$30.06 million on October 7, 2015 at Sotheby's Hong Kong.
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