Term
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Definition
| the basic color of a fancy-colored diamond |
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Term
| Face-Down (or Table-Down) |
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Definition
| a position that orients a gemstone's pavilion toward the viewer |
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Term
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Definition
| a position that orients a gemstone's crown toward the viewer |
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Term
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Definition
| the optical illusion that causes the ungraded diamond to appear either lighter or darker than the masterstone, depending on which side it's on |
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Term
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Definition
| a set of color-comparison diamonds the defines GIA diamond color grades in the normal (D-to-Z) range |
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