Education

Education

Diamond Education:  

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4Cs of Diamond:

  • Color

  • Clarity

  • Cut

  • Carat Weight

Diamond Color Scale:

DEFGHIJKLMNOPQRSTUVWXYZ
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:

  • Excellent

  • Very Good

  • Good

  • Fair

  • 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