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Report
Report

A grading report or diamond certificate is an independent, expert opinion on the quality of the diamond. Gemologists from the world's leading grading labs use special equipment to measure the weight and dimensions of the diamond and assess quality characteristics such as cut, color, and clarity. Grown Brilliance only utilizes the most distinguished grading labs.Please contact us to request the grading report.

L:W Ratio
L:W Ratio - Length to Width Ratio

The length-to-width ratio compares the length of a diamond to its width to show how elongated a fancy-shaped diamond appears when viewed from the top. Length-to-width ratio is a matter of personal preference with some individuals preferring a more elongated shape and others a more equal or square shape. It is calculated as length divided by width.

Fluorescence
Fluor.
Fluorescence

Fluorescence refers to a diamond's tendency to emit a soft colored glow when subjected to ultraviolet light (such as a "black light"). Overall, diamond fluorescence should not be a major factor in the purchase of a diamond since its effects are negligible. Fluorescence grades include Very Strong, Strong, Medium, Faint, None.

Polish
Polish

Polish describes the finish of the facets of the diamond. Polish is graded as Poor, Fair, Good, Very Good, Excellent, or Ideal. Polish grades of Good or higher have the least effect on the brilliance of the diamond and are suitable for the finest quality jewelry.

Symmetry
Symmetry

Diamond Symmetry refers to how well aligned the facets of a diamond are. Symmetry impacts how well a diamond interacts with light and how brilliant a diamond is. Symmetry grades are measured as Excellent, Very Good, Good, Fair and Poor.

Table %
Table

The table is the largest facet of a gemstone, and is located at the top. Table % is the table width as a percentage of the girdle diameter.

Diamond Anatomy
Depth %
Depth

Diamond depth is a factor of a diamond's cut. The depth of diamond is its height measured from the culet (bottom tip) to the table (flat, top surface). The diamond depth percentage is calculated by dividing total depth by the average diameter, then multiplying by 100.

Diamond Anatomy
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engagement rings
Shop confidently knowing that our diamonds are priced right year-round, without ever going on sale.