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Diamond Buying Made Easier > Diamond Glossary > Diamond Glossary- XYZ

Diamond Glossary - X,Y,Z  YAG, Yellow Ground, Zirconia







This is our diamond glossary of terms used in the diamond jewelry business....
    facts about diamonds-


glossary


Click a letter to view terms -

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X-Y-Z  - All

Diamond Glossary - X,Y,Z

X: A grade in GIA's Color Grading System.... at the end of the "Light Yellow" category.


X-ray Fluorescence: The property in diamonds that makes them glow when exposed to X-rays. All diamonds will fluoresce when exposed to X-rays and this property is used during the mining process to separate rough diamonds from ore.


Y: A grade in GIA's Color Grading System.... at the end of the "Light Yellow" category.


YAG: Yttrium Aluminium Garnet, used as a somewhat unconvincing diamond simulant before Cubic Zirconia.


Yellow: Most diamonds contain nitrogen which gives them a slight yellow, "touch of warmth".


Yellow Ground: The usual diamond bearing rock in which diamonds are found is called Kimberlite or blue ground. As this rock is exposed to sunlight and the weather elements is begins to decompose and its color changes from blue to yellow. This yellow ground is easier to break apart in the search for diamond rough.


Z: A grade in GIA's Color Grading System.... at the end of the "Light Yellow" category. The next color grade for a yellow diamond will put it into the "Fancy (Color) Diamond" category and the price will begin to rise.


Zaire: The former name of the Democratic Republic of the Congo used from 1965 to 1997. Produces a large proportion of the world production of industrial grade diamonds.


Zirconia: Zirconium Oxide, or more accurately Zirconium Dioxide, also called zirconia, when crystallised in cubic system, it is known as Cubic Zirconia. Although this is found in nature, most Cubic Zirconia is made in the lab... hence it is should be more correctly called Synthetic Cubic Zirconia.







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