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Diamond Information
| Fair | Good | Very Good | Excellent | Ideal |
Fair - Allows much of the light entering the diamond to escape from the sides or bottom, reducing perceived fire and brilliance.
Good - Reflects a majority of the light that enters the diamond, for an above average appearance. An excellent value compared to higher cut grades.
Very Good - Properly reflects most of the light that enters the diamond, producing superior fire and brilliance. Under normal lighting conditions, appears very similar to Excellent or Ideal cut.
Excellent - Maximum fire and brilliance. Reflects nearly all the light that enters the diamond, creating exceptional sparkle and life.
Ideal - Highest cut grade with maximum fire and brilliance. Reflecting all the light that enters the diamond, creating the ultimate in fire and sparkle.
| K | J | I | H | G | F | E | D |
K - Faint Color; beginning with K diamonds, color (usually a yellow tint) is more easily detected by the naked eye.
J - Near Colorless; while containing traces of color, it is only detected by a trained eye.
I - Near Colorless; while containing traces of color, it is only detected by a trained eye.
H - Near Colorless; while containing traces of color, it is only detected by a trained eye.
G - Near Colorless; while containing traces of color, it is only detected by a trained eye.
F - Colorless; contains minute traces of color, only noticeable by a trained grader when adjacent to higher color diamonds.
E - Colorless; contains minute traces of color, only noticeable by a trained grader when adjacent to higher color diamonds.
D - Colorless; contains no traces of color.
| I1 | SI2 | SI1 | VS2 | VS1 | VVS2 | VVS1 | IF | FL |
I1 - Included; contains inclusions (possibly large feathers or large included crystals) that are obvious under 10X magnification and may affect transparency and brilliance.
SI2 - Slightly Included; contains inclusions (clouds, included crystals, knots, and feathers) that are noticeable to an experienced grader under 10X magnification.
SI1 - Slightly Included; contains inclusions (clouds, included crystals, knots, and feathers) that are noticeable to an experienced grader under 10X magnification.
VS2 - Very Slightly Included; contains minute inclusions such as small crystals, clouds, or feathers when observed with effort under 10X magnification.
VS1 - Very Slightly Included; contains minute inclusions such as small crystals, clouds, or feathers when observed with effort under 10X magnification.
VVS2 - Very Very Slightly Included; contains minute inclusions that are difficult even for experienced graders to see under 10X magnification.
VVS1 - Very Very Slightly Included; contains minute inclusions that are difficult even for experienced graders to see under 10X magnification.
IF - Internally Flawless; has no inclusions when examined by an experienced grader using 10X magnification, but will have some minor blemishes.
FL - Flawless; shows no inclusion or blemishes of any sort under 10X magnification when observed by an experienced grader.
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