1. Kohinoor- Priceless. The most expensive diamond in the world, the Kohinoor has been given a priceless status due to its uniqueness and brilliance. The diamond is 105.6 carats and is placed right on top of the UK sovereign's crown.
The most valuable diamond in the world is Koh-i-Noor, also spelled Koh-i-Nur and Kohinoor. The diamond is also called the Mountain of Light diamond, and it's known as one of the largest cut diamonds, weighing a whopping 105.6 carats. Koh-i-Noor is a colorless diamond and features an oval brilliant cut.
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing 3,106 carats (621.20 g), discovered at the Premier No. 2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the owner of the mine.
The worth of the stone would be an estimated USD 400 million in the current market. There are nine large pieces of the diamond, totalling approximately 1,055 carats, besides other smaller cuts. The biggest piece is known as Cullinan I and weighs 530.20 carats, making it the largest clear cut diamond in the world.
Which Diamond Color Is The Most Expensive? Despite the popularity of white diamonds, red diamonds take the prize for the most expensive diamond color. This is primarily due to their rarity. Red diamonds also differ in the source of their color from other colored diamonds.
The Golden Jubilee diamond
In 1997, the diamond was presented to the King of Thailand after it took specialists a few years to cut and polish. Today, the largest finished diamond is owned by the Royal Family of Thailand.
The British Royal Crown is the owner of the most costly diamond in the world. The Kohinoor gem is currently on exhibit as the main diamond of the Queen Mother's Crown at the HM Tower of London.
Carbonados, sometimes called "black diamonds," are a distinct and unusual polycrystalline diamond material.
Russia and the Botswana hold the world's largest diamond reserves, totaling 600 million carats and 300 million carats, respectively, as of 2022.
The Koh-i-Noor is one of the largest cut diamonds in the world coming in at just over 105 carats. It is said to be worth between $140 and $400 million, but is also hailed as priceless. It is also known as one of the world's most controversial diamonds too.
The Sirius Star is the 'fine wine' of Canadian diamonds.
Red diamonds are the rarest of the colored diamonds, with only 20-30 existing in the entire world. They get their beautiful red color from a rare process during their formation, which changes the crystal structure of the diamond and causes light to pass through it differently than colorless diamonds.
Moissanite has unparalleled sparkle! It has a higher refractive index than diamond, resulting in greater brilliance than diamond. Moissanite also has greater dispersion (fire) than a diamond, so you will notice more rainbow flashes of light.
What's the best diamond color? Among white diamonds, D color diamonds are of the highest grade. D color diamonds are in the "colorless" range on a diamond color scale along with E color diamonds and F color diamonds. Fancy color diamonds such as yellow or pink diamonds have their own color grades.
The price ranges between $1,500-$3,000 per carat for black diamonds weighing between 1.00 to 3.00 carats. On the other hand, colorless diamonds may range between $2,500 to $153,000 per carat for clear diamonds weighing between 1.00 – 3.00 carats. That is a big price difference, right?
Gem-quality rubies are significantly rarer than diamonds, though there are certain types of diamonds that are very rare too. If we weigh the most spectacular examples of rubies and diamonds against one another, diamonds that show color are even rarer.
Thanks to a stockpile of the world's rough diamond supply, indelible marketing schemes and even negotiations with foreign governments for their diamonds, De Beers — owned by the Oppenheimer family since the 1920s — has been the most important name in one of the world's most lucrative businesses for almost a century.
The Winston Legacy
Known throughout the industry and across the globe as the “King of Diamonds,” Mr. Winston built his legacy as the purveyor of the world's most exceptional jewels. The story of the House of Harry Winston is best told through its incredible portfolio of diamonds, which continues today.
International Space Station: $150 Billion
The most expensive thing in the world is related to the Universe and it is the International Space Station. The amount which has gone towards its existence in terms of building and designing is $150 billion.
From its inception in 1888 until the start of the 21st century, De Beers controlled 80% to 85% of rough diamond distribution and was considered a monopoly.
According to data gathered and analyzed by Learn Bonds, three countries alone control at least 80.6 percent of all the world's diamond reserves globally namely Russia, the Democratic Republic of Congo (DRC) and Botswana. In total, the known global diamond reserves stand at about 1.1 billion carats, the study said.
Elizabeth Taylor and Richard Burton
Referred to as the Krupp Diamond (until after her death in 2011 when it became known as 'The Elizabeth Taylor Engagement Ring'), this large Ascher-cut diamond weighs a huge 33.19-carats according to the Gemological Institute of America (GIA). Talk about a rock!