Pearl Classification Chart: GIA’s Approach

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32" x 20" (80 x 50 cm) This wall chart contains a selection of photos showing the appearance of numerous features a gemologist might observe when viewing cultured pearls. Published in the Summer 2021 issue with the article by Joyce Wing Yan Ho and Sally Chan Shih, “Pearl Classification: The GIA 7 Pearl Value Factors,” Gems & Gemology, Vol. 57, No. 2, pp. 135–137. Usually ships in 3-5 business days. Enter code CHARTS20 to receive 20% off when you purchase 3 or more charts. SKU: 181226 Show more