Term
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Definition
| D-Z scale, each letter represents a range of color based on a diamond's tone and saturation |
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Definition
| a gemstone heating process that can be used alone or to stabilize irradiated color |
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Definition
| the basic color of a fancy-colored diamond |
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Definition
| the combination of tone and saturation that determines how noticeable a color is |
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Definition
naturally colored yellow and brown diamonds that exhibit color beyond the Z range, or that exhibit any color face-up
Ex) yellow, brown, blue, pink, green, purple, red |
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Definition
| emission of visible light by a material when it's exposed to ultraviolet radiation |
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Definition
| your first impression of a color; the basic color of an object |
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Definition
| a treatment that changes the color of a gem by exposing it to radioactive materials |
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Definition
| a set of color comparison diamonds that defines GIA's diamond color grades in the normal D-Z range |
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Definition
| range of diamond colors from colorless to light yellow and light brown |
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Definition
| a color's strength or intensity, ranging from a dull hue to a pure, vivid hue |
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Definition
| a color's degree of darkness or lightness |
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Definition
| a general term for diamonds in the D-F color range |
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Definition
| a general term for diamonds in the G-J color range |
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Definition
| a general term for diamonds in the K-M color range |
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Definition
| a general term for diamonds in the N-R color range |
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Term
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Definition
| a general term for diamonds in the S-Z color range |
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