Cultured Freshwater Pearl Grading Guide
Please don't attempt to compare our pearls with other suppliers' pearls, by the letters assigned to them (e.g., A grade). Different companies have different standards for pearl grading, our pearl grades are those used by the mainland Chinese pearl traders. The Chinese pearl grading standard is as follows:
|A Grade:||Extremely well shaped, white, high luster, very minor surface blemishes.|
|B Grade:||Well shaped, white to light cream, high luster, minor surface blemishes.|
|C Grade:||Irregular shape, off-white, medium luster (may be non-uniform), surface is irregular.|
|D Grade:||Same as C grade, but one or more of the characteristics are excessively bad (such as areas of no luster or wrinkled surfaces).|
|F Grade:||For promotional purposes only. Not suitable for jewelry. Most of this grade is ground up into pearl powder (used in cosmetics).|
Some pearls fall between grades and are given mixed grades (A-B grade). Also, a pearl with A grade luster and C grade surface may be given a compromise B grade, though this type of pearl is avoided by Fire Mountain Gems as much as possible.
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