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Our coloured diamonds are
graded on standards set by the GIA.

  • Carat

    The weight of the diamond.

  • Clarity

    The type and number of inclusions.

  • Cut

    The shape and cut of the diamond.

  • Colour

    The hues & tinges of the diamond.

Fancy Coloured Diamonds for Jewelry

Who We Are

Our goal at Hard Carbon is to provide you with our many years of experience and expertise, and guide you towards the best fancy coloured diamond - whether it’s to wear on your finger, or fill out your investment portfolio.

Learn More Browse Our Client Settings

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