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  • 0.001 CTS - 0.008 CTS
  • 0.009 CTS - 0.025 CTS
  • 0.025 CTS - 0.074 CTS
  • 0.078 CTS - 0.125 CTS
  • 0.135 CTS - 0.175 CTS
  • 0.20 CTS
0.001 CTS - 0.008 CTS
  • 0.25 CTS
  • 0.33 CTS
  • 0.40 CTS
  • 0.50 CTS
  • 0.75 CTS
  • 1.00 CTS

The weight of diamonds is expressed in carats where 1 carat = 0.2 grams. One carat is divided into 100 points. In practice the weight of the diamond is measured up to at least two decimals. When the weight is expressed up to tw decimals only, the third decimal is rounded down as long as it is smaller than 9. When the third decimal is 9, the weight is rounded up.