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Diamond Quality (4C's)

Learn about diamonds


  • Cut can make a diamond look bigger. It means that you get a free boost in the other aspects of the 3Cs (color, carat and clarity) just by having a better cut.
  • The cut of a diamond refers not only to the shape of the diamond and number of facets, but also to the quality of the cut.
  • Color

  • Colorless diamonds are generally more valuable and commonly used in jewelry as they have better reflective qualities.
  • For diamonds in the colorless range (D-F), they are priced at a higher premium. Personally, these are the gemstones I would love to get my hands on.
  • Carat

  • Carat is used to describe the weight of diamonds. Generally the larger the stone the greater value. Diamond carat weight is the measurement of how much a diamond weighs.
  • Each carat can be subdivided into 100 'points.' This allows very precise measurements to the hundredth decimal place.
  • Clarity

  • Clarity measures the imperfections. The purest, the higher its value. GIA considers the number, size, color, reflectivity, and position of every flaw visible under 10x magnification.
  • In a certified diamond, the cracks are charted on the certificate and act as a fingerprint for identifying a particular stone.