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There are some interesting and less known facts about diamond. These facts will enhance your knowledge about your and world’s favourite gem stone.

  • Diamond is the hardest substance on earth still can be broken as they have grain.
  • From all the diamonds mined only one fourth of them are used in jewelry and the rest for industrial purposes.
  • The diamond retains only about 40% to 50% of its rough weight even if cut most efficiently.
  • Diamond is the symbol of 60th and 70th anniversaries.
  • Diamond popularly known as April is included in all modern birthstone.
  • As per Bottom Line Personal magazine, only two categories of collectibles have stayed ahead of inflation in last twenty years: Stamp at an average of 9.1% and diamonds at 7.9% per year.
  • One out of every 3 diamonds sold in USA is laser-drilled and one out of 20 diamond sold is fracture-filled.
  • Two out of every 3 diamonds have fluorescence causing the diamond to look oily and milky in sunlight.
  • Three out of every five diamonds are weighed wrongly to increase the profit of the jeweler.
  • The average diamond sold in USA is tinted yellow and mostly will not appreciate. Again it has cracks, breaks or carbon that can be seen with naked eye.
  • A good diamond is defined as big, white and sparkly and will appreciate over time. Less than 2.5% of the diamonds sold in USA classify into this definition.
  • The Greek root word for diamond means unconquerable.
  • Henry Morse opened the first US diamond cutting factory in Boston in 1860. His cutting design came to be known as American Ideal Cut or Brilliant Cut.
  • Diamond is the best conductor of heat and has the highest melting point of any natural substance.
  • Diamond was prized because of its unique properties to resist destructive forces and as the ideal gem for betrothal.
  • Diamonds have been found in India for at least 3000 years.
  • India was the only known source of diamonds for over 2000 years and before 6th century until the mid-eighteenth century.
  • A law in the 13th century in France declared that only kings could wear diamonds.
  • Each copper wire you see in computer, television etc. is made with a die. Die is a device used to squeeze wire to the desired diameter. This die is made from diamond.
  • Only a diamond cuts another diamond.
  • Diamond is the hardest known mineral measuring 10 on Moh’s Scale.
  • Microscopic diamonds are somewhat common in space. They may be because of exploding stars and supernovas.
  • A diamond has touched 5 continents and involved skills of many craftsmen to make it truly international gem before it is placed on a woman’s hand.
  • Diamond is received by 75% of all the first time brides and 70% of all brides. 50% of couples choose diamond ring together.
  • To produce one carat of diamond, 250 tons of earth is mined.
  • Only 1 polished diamond out of 1000 weighs more than one carat.
  • Crater of Diamonds State Park in Arkansas is the world’s only diamond mine open to public. It is a dig-for-free operation for tourists and rock hounds. More than 70,000 diamonds have been discovered in this mine including “Uncle Sam Diamond” weighing 40.23 carats the largest of its kind.
  • The age of most diamonds found in nature is between 1 to 3 billion years.
  • Cullinan weighing 3106 carats is the largest diamond ever found.
  • Revenues from diamonds give around 5 million people an access to appropriate healthcare globally and help every child in Botswana to get free education up to the age of 13.
  • Conflict diamonds have been reduced from 4% to 1% since the implementation of the Kimberley Process in 2003. In Kimberley Process rough diamonds can be imported and exported only if there is a certificate from the exporting country.
  • 74 countries and legitimate diamond industry are committed to eradicate conflict diamonds.
  • Around 10 million people globally are supported by diamond industry directly or indirectly.
  • Over 40% of Namibia’s annual export earning is generated through diamond industry.
  • Sierra Leone is now at peace and exported around $ 125 million diamonds in 2006.
  • Around 1 million people are employed by the diamond industry in India.
  • Diamonds worth around $ 8.5 billion that is around 65% of world’s diamonds a year come from African countries.
  • Revenue from diamonds is instrumental in the fight against HIV/ AIDS.
  • Around 1 million people work in informal alluvial diamond digging sector.
  • Diamonds were formed billions of years ago some 100 miles below the earth’s surface. The process of tremendous pressure and temperatures of 2000- 3000 degrees Fahrenheit and volcanic activity that brought crystals closer to the earth’s surface.
  • The first written record about the precious diamonds dates back to 500 BC.
  • Diamonds have variety of colors. Blue and pink are the rarest and yellow and brown the most common.
  • US contributes for less than 1% of total global gemstone productions buy buys more than 50% of the world’s total gem quality diamonds. It is the world’s highest diamond market.
  • Australia contributes for production of most diamonds in volume.
  • Mary of Burgundy was the first known lady to receive a diamond engagement ring from Maximilian I.
  • Arabic diamonds are said to attract iron even better than magnet.
  • Graphite in the pencil is made of same material as diamonds.
  • 3 to 5 million tons of rocks is blasted every year to find diamonds.
  • Diamond resists attack of acids or bases.
  • Diamond has very high melting point of 3820 K [3547 C/ 6420 F] and a boiling point of 5100 K [4827 C/ 8720 F]
  • Antwerp in Belgium is the centre of diamond industry.

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Comments (3)

Morris Childs
PEP source - Spartanburg, SC

Welcome to Active Rain. It just gets easier after your first blog. Just write about what interests you. Give us a call or an email if we can be of service to you! We can fix most anything, our rates are reasonable and we show up when promised.

Jan 31, 2009 07:32 AM
Janine Salwin

Really so many things are unknown which are describing in this post. The diamond mine for public as Crater of Diamonds State Park in Arkansas, I think few people are know about this. As a diamond lover I would so glad after knowing these facts about the diamonds. Whatever there are many sources like online store as jewelrybyraphael.com for getting diamonds but these basic unknown facts are really remarkable.

Nov 10, 2014 03:03 PM
Fred Griffin Florida Real Estate
Fred Griffin Real Estate - Tallahassee, FL
Licensed Florida Real Estate Broker

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Oct 14, 2017 05:05 PM