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Definition
| A tabletop magnifier with two eyepieces[image] |
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Definition
| Forming the basic face-up outline of a diamond to prepare it for faceting |
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Definition
| a collective term for diamond cleavages and fractures |
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Definition
| treatment that involves injecting a molten glass substance into a diamonds surface-reaching feathers or laser drill-holes |
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Definition
| treatment that involves using a concentrated beam or laser light to reach a diamonds dark inclusions and to disquise or eliminate them |
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Definition
| an individual or company that cuts and polishes diamonds and colored stones |
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Definition
| a general term for included stones |
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Definition
| A heating process used to stabilize irridated color |
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Term
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Definition
| visible light of a material exposed to ultraviolet light |
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Term
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Definition
| a treatment that changes the color of a gem by exposing it to radioactive chemicals |
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Definition
| a general term for diamonds in the G-to-J color range |
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Term
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Definition
| a colors degree of darkness or lightness |
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