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https://www.pearlparadise.com/pages/pearl-grading
The French Polynesian government has created a system of grading for exporting Tahitian pearls and we tailor our A-AAA grading to match their system as all our Tahitian pearls were legally exported from Tahiti and have gone through this grading process.
https://www.pearl-guide.com/articles/pearl-education/449297-grading-pearls
Pearl Grading is the practice of assigning degrees of quality to a pearl or a piece of pearl jewelry based of the quality attributes designated by industry best practices and authority groups such as PSLJ (Pearl Science Laboratory of Japan), SSEF (Swiss Gemological Institute), GIA (Gemological Institute of America) and EGL USA.
https://www.pearlsofjoy.com/pages/pearl-grading
The A-D Grading Scale is primarily used by farmers and processors for Tahitian and South Sea pearls. It easily corresponds to the more widely known A-AAA Grading Scale that Pearls of Joy uses. With the A-D Grading Scale, “A” represents the highest quality, and then moves down through B,C and D which represents the lowest, commercial grade.
https://pearlwise.pro/how-pearls-are-graded/
The standard grading for Akoya pearls is the Hanadama or AAA, AA, A grading system. It examines the pearls’ surface quality, luster, and shape, as well as nacre thickness with a minimum nacre thickness of 0.4mm on each side (0.8mm in diameter) being required for a good quality grade.Estimated Reading Time: 8 mins
https://www.purepearls.com/pages/tahitian-pearls-grading
AA+/AAA Tahitian Pearl Grading Often you’ll see Tahitian and South Sea necklaces that straddle the grading benchmarks, listed with AA+/AAA Quality or AA/AA+ Quality grades. These “intermediate” grades are assigned to pearl necklaces when the pearls almost-but-not-quite make it to a full grade, like AAA Quality.
https://4cs.gia.edu/en-us/blog/pearl-quality-101-gia-examines-classifies-pearls/
Jun 28, 2016 · Like diamond grading, pearl classification is a complex process that takes a trained gemologist time and extensive knowledge to execute. So let’s dive into pearls to learn about the factors that influence their value, how they are assessed, and how GIA Pearl Reports can help you understand the classification of your natural or cultured pearl.
https://www.gia.edu/pearl-quality-factor
The qualities that determine the overall value of a natural or cultured pearl or a piece of pearl jewelry are size, shape, color, luster, surface quality, nacre quality, and—for jewelry with two or more pearls—matching. Size: When other value factors are equal, larger pearls are rarer and more valuable than smaller pearls of the same type.
https://www.pearlparadise.com/pages/how-to-grade-freshwater-pearls
Unlike diamond grading, there is no standardized grading system for freshwater pearls. Every company in the world that grades and sells freshwater pearls is using a system that they themselves devised and created. Every system is subjective and every system is unique. The following is the grading system we adhere to for freshwater pearls.
https://www.pearlparadise.com/
Education Choosing A Pearl Necklace Pearl Grading Pearl Care Akoya Pearls Freshwater Pearls Golden South Sea Pearls Tahitian Pearls White South Sea Pearl Freshadama Pearls Exclusive to Pearl Paradise, Freshadama pearls come from the top .01% of freshwater pearls produced today.
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