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The smart consumer's diamond buying guide.... |
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Diamond Buying Made Easier > Diamond Glossary > Diamond Glossary- SDiamond Glossary - Scintillation, Single Cut, SymmetryThis is our diamond glossary of terms used in the diamond jewelry business.... facts about diamonds-  Click a letter to view terms - Diamond Glossary - SS: A grade in GIA's Color Grading System.... at the beginning of the "Light Yellow" category.Sawyer: A person who has the job of sawing diamonds. Sawable: These are rough diamonds that can be divided by sawing. Scaife: The horizontal cutting wheel on which a diamond is polished... also spelled scaive or scaif. Scratch: A fine white line, curved or straight on the surface of a diamond. A scratch would be considered during the clarity grading process. A scratch can be polished away. Scintillation: The flashes of light reflected off of the facets of a diamond when the diamond or the eye of the viewer moves. This is the bling factor! The number, the size, and the quality of the polish of the facets are all factors in the scintillation. Spread Stone: A diamond with a large table. Set: How a diamond is held into a piece of jewelry. For example... bead set, pave set, channel set, prong set, etc. Setting: A metal holder for the diamond. Skin: The surface of an unpolished diamond. Sorter: The person who separates rough diamonds into sizes and grades of quality by shape, color, and clarity. Star Facets: The eight triangular facets around the table of a diamond that make it star-shaped. Surface Graining: An area of crystal growth irregularity that does not polish the same direction as the surrounding area. Much the same as grain in wood. Semi-mount: A jewelry setting that has the side stones already mounted, but which contains an empty set of prongs which are intended to mount a diamond center stone. Single Cut: A round diamond with only 17 or 18 facets, instead of the normal 57 or 58 facets of a full cut diamond.  Step Cut: Broad, flat facets that resemble stair steps. Emerald Cut or Asscher Cut Diamonds are cut in this style. Symmetry: The misalignment of facets or facets that fail to point correctly to the girdle. Symmetry is regarded as an indicator of the quality of the Diamond Cutter's care and skill in fashioning the diamond. It is graded as either Ideal, Excellent, Very Good, Good, Fair or Poor. 60/60: An incorrect guideline that is sometimes referred to, stating that a diamond with a 60% Depth and a 60% Table is a diamond with good proportions. More information would be needed in addition to these 2 bits of information before you would be able to make any judgement about the diamond. |
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