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Vital Progenix  of course you would have to purchase them knowing that they have been coated and follow your jeweler's guidelines about owning and caring for these color enhanced diamonds. The coating can be applied to the whole of a diamond's surface, just the bottom of the diamond, or to a narrow zone near the girdle. A well-applied coating can change the color by one or more color grade. Some coatings can be removed through boiling in acid, strong cleaning solutions, or even household chemicals. Sometimes dots or larger areas of purple or blue ink

  Tuesday, February 12, 2019 at 4:08:56 AM

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