Diamond Weights

Diamond Carat Weight

Diamond Carat Weights

Diamond Carat Weight Measures a Diamond’s Apparent Size

Diamond carat weight is the measurement of how much a diamond weighs. A metric “carat” is defined as 200 milligrams.

Each carat can be subdivided into 100 ‘points.’ This allows very precise measurements to the hundredth decimal place. A jeweler may describe the weight of a diamond below one carat by its ‘points’ alone. For instance, the jeweler may refer to a diamond that weighs 0.25 carats as a ‘twenty-five pointer.’ Diamond weights greater than one carat are expressed in carats and decimals. A 1.08 carat stone would be described as ‘one point oh eight carats.’

All else being equal, diamond price increases with diamond carat weight because larger diamonds are more rare and more desirable. But two diamonds of equal carat weight can have very different values (and prices) depending on three other factors of the diamond 4Cs: Clarity, Color, and Cut.

It’s important to remember that a diamond’s value is determined using all of the 4Cs, not just carat weight

When it comes to purchasing jewelry, we want to help you make the most informed decision possible. One thing you’ll want to know is the carat weight of your diamond(s).  Each is cut to maximize its natural beauty. To give you the best selection and price, our diamonds fall within a range appropriate to each fractional carat weight listing. The difference may not be visible to the naked eye, but we know it’s important to you. That’s why we’ve supplied the following table:

   Fraction           Measurement Unit         Decimal  
     1/20                 Carat           .03 – .06
     1/10                 Carat         .085 – .11
     1/8                 Carat         .115 – .14
     1/6                 Carat         .145 – .17
     1/5                 Carat           .18 – .22
     1/4                 Carat           .23 – .29
     1/3                 Carat           .30 – .36
     3/8                 Carat           .37 – .44
     1/2                 Carat           .45 – .57
     5/8                 Carat           .58 – .68
     3/4                 Carat           .69 – .82
     7/8                 Carat           .83 – .94
      1                 Carat          .95 – 1.17
   1 1/5                 Carat        1.18 – 1.22
   1 1/4                 Carat        1.23 – 1.28
   1 1/3                 Carat        1.29 – 1.36
   1 3/8                 Carat        1.37 – 1.44
   1 1/2                 Carat        1.45 – 1.57
   1 5/8                 Carat        1.58 – 1.68
   1 3/4                 Carat        1.69 – 1.82
   1 7/8                 Carat        1.83 – 1.94
      2                 Carat        1.95 – 2.17
      3                 Carat         2.95 – 3.17
      4                 Carat         3.95 – 4.17
      5                 Carat         4.95 – 5.17
      6                 Carat         5.95 – 6.17
      7                 Carat         6.95 – 7.17

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