General Diamond Education

Color Grade

Diamond Color Table

Clarity Grade

Grade Description
IF Flawless
VVS1-VVS2 Hard to see inclusions with a 10x loop
VS1-VS2 Inclusions that can be seen only with a 10x loop
SI1-SI3 Slight includes - hard to see the with the naked eye
I1-I3 Inclusion that can be noticed with the naked eye

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Loose Round Brilliant Cut Diamond

Carat Fractions And Their Decimal Equivalents

The chart below is used by CaratsDirect2U to determine carat weight.
(Please note that these carat conversions are for round shape diamonds only.)

For those diamonds advertised as fractions of a carat, please view the table below.

Carat Weight Decimal Equivalent
2/5 0.36 - 0.44
1/2 0.45 - 0.57
5/8 0.58 - 0.68
3/4 0.69 - 0.79
7/8 0.80 - 0.94
1 0.95 - 1.10
1 1/16 1.11 - 1.19
1 1/4 1.20 - 1.29
1 1/3 1.30 - 1.44
1 1/2 1.45 - 1.55
1 3/5 1.55 - 1.66
1 3/4 1.67 - 1.89
1 7/8 1.90 - 1.94
2 1.95 - 2.10

Personal Ring Sizer

Not sure what your ring size is? Try our ring sizer.

  1. Right-click on the image.
  2. Select the "Save Image As" option and save to your desktop.
  3. Now print and cut the image.
  4. Wrap the ring sizer around your finger to get the measurement.

Ring Size Check


If you have any questions, phone us at 1-800-557-7095 or send an email to [email protected].