Education
Diamond Education:
close4Cs of Diamond:
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Color
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Clarity
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Cut
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Carat Weight
Diamond Color Scale:
D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
COLORLESS | NEAR COLORLESS | FAINT YELLOW | VERY LIGHT YELLOW | LIGHT YELLOW |
Diamond Clarity Scale:
FL | Flawless | Free from all inclusions or blemishes at 10x magnification. |
IF | Internally Flawless | No inclusions visible at 10xmaginification, insignificant surface blemishes. |
VVS1 | Very Very to Very Slightly Included | Minor inclusions. Difficult to see face-up at 10x magnification. |
VVS2 | ||
VS1 | ||
VS2 | ||
SI1 | Slightly Included | Noticeable inclusions. Easy to see at 10x magnification. |
SI2 | ||
I1 | Inclusions | Obvious inclusions. Easily visible to unaided eye. |
I2 | ||
I3 |
Diamond Cut:
Evaluating diamond’s cut requires evaluating how successfully it interacts with light to create desirable visual effects such as;
Brightness:
Internal and external white light reflected from a diamond
Fire:
The scattering of white light into all the colors of the rainbow
Scintillation:
The amount of sparkle a diamond produces, and the pattern of light and dark areas caused by reflections within the diamond
Diamond Cut Scale:
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Excellent
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Very Good
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Good
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Fair
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Poor
Diamond Carat:
Carat Weight: Diamond Fractions to Weight Range (All Weights are in Carat)
Fractions | Weight Range | Fractions | Weight Range |
1/50 | 0.01 - 0.03 | 1 1/6 | 1.11 - 1.16 |
1/20 | 0.04 - 0.007 | 1 1/5 | 1.17 - 1.21 |
1/10 | 0.08 - 0.11 | 1 1/4 | 1.22 - 1.28 |
1/8 | 0.12 - 0.13 | 1 1/3 | 1.29 - 1.36 |
1/6 | 0.14 - 0.17 | 1 3/8 | 1.37 - 1.44 |
1/5 | 0.18 - 0.22 | 1 1/2 | 1.45 - 1.57 |
1/4 | 0.23 - 0.28 | 1 5/8 | 1.58 - 1.68 |
1/3 | 0.29 - 0.36 | 1 3/4 | 1.69 - 1.81 |
3/8 | 0.37 - 0.45 | 1 7/8 | 1.82 - 1.93 |
1/2 | 0.46 - 0.57 | 2.00 | 1.94 - 2.10 |
5/8 | 0.58 - 0.69 | 3.00 | 2.94 - 3.10 |
3/4 | 0.70 - 0.81 | 4.00 | 3.94 - 4.10 |
7/8 | 0.82 - 0.94 | 5.00 | 4.94 - 5.10 |
1.00 | 0.95 - 1.10 | 6.00 | 5.94 - 6.10 |
Moissanite Education:
Size to Weight Chart:
Size (mm) | Weight (ct.) | Equivalent Diamond Weight (ct.) |
4.0 | 0.22 | 0.25 |
5.0 | 0.41 | 0.50 |
5.5 | 0.54 | 0.60 |
6.0 | 0.68 | 0.80 |
6.5 | 0.88 | 1.00 |
7.0 | 1.10 | 1.25 |
7.5 | 1.35 | 1.50 |
8.0 | 1.60 | 2.00 |
8.5 | 1.90 | 2.50 |
9.0 | 2.26 | 3.00 |
9.5 | 2.75 | 3.50 |
10.0 | 3.08 | 4.00 |
10.5 | 3.57 | 4.50 |
11.0 | 4.11 | 5.00 |