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Education

Diamond Color – Diamonds come in many colors. Colorless diamonds are the most rare, so they are the most valuable. The D to Z scale is the standard for color grading diamonds (add picture of color grading scale).

Near-colorless – A general term for diamonds int he G-to-J color range.

Fancy Diamond Colors – Naturally colored yellow and brown diamonds that exhibit color beyond the Z range, or that exhibit any other color.

Grading Fancy Colored Diamonds (add picture of colored yellow diamonds).

Faint

Very Light

Light

Fancy light

Fancy

Fancy Intense

Fancy Vivid

Fancy Dark

Fancy Deep

The first three grades (Faint, Very Light, and Yellow) apply to all colors except yellow. A stone that shows a natural yellow color stronger than the Z would be called "Fancy Light Yellow".

Diamond Carat Weight

Diamond Cut Quality

A finished diamond’s proportions affect it;s light performance, which in turn affects it’s beauty and overall appeal. If light enters through the crown of a poorly proportioned diamond, it will exit through the pavilion, making the diamond look dark and unattractive (add picture).

Diamonds with good proportions symmetry and polish make better use of light, and will be bright, fiery, and sparkling (add picture).

Diamond Shape (add pictures of all diamond shapes).

Diamond Clarity – The GIA clarity scale includes eleven diamond clarity grades. The scale narrows at the top because there are very few diamonds in the higher clarity grades (add clarity scale picture).

Flawless diamonds shows no inclusions or blemishes of any kind when examined under 10x magnification by a skilled grader.

Internally Flawless (IF) shows no inclusions when examined by an experienced grader using 10x magnification. It does, have some minor blemishes, such as grain lines, naturals, and extra facets. Flawless and Internally Flawless (IF) diamonds are extremely rare. You’ll hardly ever see one in a jewelry store.

Very Very Slightly Included (VVS1 and VVS2) – VVS diamonds contain minute inclusions that are difficult even for experienced graders to see under 10x magnification.

Very Slightly Included (VS1 and VS2) – VS diamonds contain small or minor inclusions observed with effort under 10x magnification.

Slightly Included (SI1 and SI2) – SI diamonds contain inclusions that are noticeable to an experienced grader under 10x magnification.

Included (I1, I2, and I3) – Diamonds that fall in the I rang contain inclusions that are obvious under 10x magnification.