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  • 30 days return
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  • Handmade in Antwerp
  • 30 days return
  • Most deliveries within 7 working days
  • Free and insured shipping
  • Handmade in Antwerp
  • 5/5 on Trustpilot

Why is a diamond so hard?

Diamonds are formed 140 to 250 kilometres below the Earth's surface, where carbon is compressed under extreme pressure at a temperature of 1,000 degrees Celsius. That is the reason why a diamond is so hard. It is even the hardest raw material to be found on Earth. In volcano eruptions, rough diamonds are carried with magma and pushed to the surface. 

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