Term
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Definition
| the result achieved by adding the smallest and largest girdle measurements of a round brilliant and dividing by two |
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Term
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Definition
| the angle formed by the bezel facets and the girdle plane |
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Term
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Definition
| the distance from the girdle plane to the table, expressed as a percentage of average girdle diameter |
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Term
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Definition
| a weight-retention method where the cutter leaves more girdle thickness to allow for later removal of clarity characteristics around the girdle |
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Term
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Definition
| the width of a fashioned gem's girdle |
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Term
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Definition
| a weight-retention method that adjusts the angles of some facets to allow portions of a diamond's girdle to be thicker |
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Term
| Star Facet Length Percentage |
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Definition
| the length of the star facets expressed as a percentage of the total distance between the girdle and the edge of the table facet |
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Term
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Definition
| a transparent measuring device divided into millimeters and tenths of a millimeter, used to measure a diamond's table |
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Term
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Definition
| a diamond's table size expressed as a percentage of its average girdle diameter |
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Term
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Definition
| table-to-culet depth, expressed as a percentage of average girdle diameter |
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