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26 sty 2018 · Learn how to evaluate pearls using the GIA 7 Pearl Value Factors system, which covers size, shape, color, luster, surface, nacre, and matching. See examples of pearl quality and terminology with a wall chart and images.
- Pearl Quality Factors - GIA
The qualities that determine the overall value of a natural...
- Pearl Quality 101 – How GIA Examines and Classifies Pearls - GIA 4Cs
If pearls are your gemstone of choice, you’ll want to learn...
- Pearl Quality Factors - GIA
Learn how to value pearls based on 7 factors: shape, size, colour, lustre, surface quality, nacre quality and matching. Compare prices of different types of pearls: freshwater, Akoya, South Sea and Tahitian.
6 kwi 2024 · Learn how to value pearl jewelry based on rarity, type, size, shape, color, luster, clarity and nacre thickness. Compare price ranges for different types of pearls from freshwater to South Sea.
Learn how size, shape, color, luster, surface quality, nacre quality, and matching affect the value of natural and cultured pearls. See examples of different pearl types and their characteristics.
Learn how pearls are formed, graded, and valued based on various factors. Compare prices of natural and cultured pearls, and see examples of different colors and shapes.
28 cze 2016 · Learn how GIA uses size, shape, color, luster, surface, nacre quality, and matching to classify and describe pearl quality. See examples of pearl reports and compare different pearl types and treatments.
Learn more about how GIA identifies and classifies pearls. The GIA uses a comprehensive standard it developed over a 60-year period of ground-breaking research on pearls, called The GIA 7 Pearl Value Factors™ (Size, Shape, Color, Luster, Surface, Nacre, and Matching).
