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The smart consumer's diamond buying guide.... |
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Diamond Buying Made Easier > Diamond Glossary > Diamond Glossary- MDiamond Glossary - Make, Marquise Cut, Mixed Cut, Mohs ScaleThis is our diamond glossary of terms used in the diamond jewelry business.... facts about diamonds-  Click a letter to view terms - Diamond Glossary - MM: A grade in GIA's Color Grading System.... at the end of the "Faint Yellow" category.Main Facets: The 8 crown and the 8 pavilion facets of a Brilliant Cut diamond. These are the facets where the angles are measured in order to determine a diamonds proportions. Make: A trade term referring to the proportions, symmetry, and polish of a diamond. Commonly stated as a "good make", "well made", a "poor make", etc. Marquise Cut Diamond: A Fancy Shape diamond which is "boat shaped", elongated with points at each end. The term "Marquise" came from a story about the origins of the shape. The French "le Roi Soleil", Louis XIV wanted a diamond to be polished into the shape of the mouth of the Marquise of Pompadour. Master Stones: A set of diamonds of known color that are used to decide the body color of other diamonds that are compared to this set of master diamonds. A set of master stones must have very exacting specifications in order to be used. Melee: A French word meaning confused mass. A trade term that is used to describe small diamonds. They are usually side diamonds or accent diamonds in a piece of jewelry.  Mixed Cut: This faceting style has both step-cut (crown, top) and brilliant-cut (pavilion, bottom) facets. Mohs Scale: In 1812, a scale of mineral hardness was devised by the German mineralogist Friedrich Mohs, who selected the ten minerals because they were common or readily available. The scale is not a linear scale, but somewhat arbitrary. The scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. The comparative scale of hardness is as follows: 1) talc 2) gypsum 3) calcite 4) fluorite 5) apatite 6) moonstone 7) quartz 8) topaz and beryl 9) corundum 10) diamond Mounting: Trade term for a piece of jewelry in which a gem or other object is set. |
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