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26 sty 2018 · This wall chart is intended as a comprehensive but simplified overview of how GIA gemologists classify pearls using the GIA 7 Pearl Value Factors system (see figure 2, for example).
6 cze 2014 · Q: SHOULD A STRAND OF TAHITIAN PEARLS BE BLACK TO BE VALUABLE? A: Although Tahitian cultured pearls are thought of as black, most are actually gray. Some are green-gray, blue-gray, or even grayish purple known as “aubergine.” Yellowish green to greenish yellow Tahitian pearls are sometimes called “pistachio” in the trade.
The ultimate guide to finding out how much your pearls are worth. Learn exactly what determines their value and how real pearls are priced.
6 kwi 2024 · When evaluating any pearl, jewelers and gemologists look at 6 key factors to determine its overall quality grade and value: Size – In general, larger pearls are more valuable, all other factors being equal. Pearls are measured in millimeters and range from under 1mm seed pearls to over 20mm South Sea pearls.
the value of pearls GEMGUIDE - 8 - MAY / JUNE 2022 Gemworld International, Inc., 2640 Patriot Blvd, Suite 240, Glenview, IL 60026-8075, www.gemguide.com
28 cze 2016 · If pearls are your gemstone of choice, you’ll want to learn more about GIA’s 7 Pearl Value Factors™ – the criteria GIA uses to classify and describe pearl quality. Read on to learn about how pearl quality is determined and what you can do to find out how your pearls measure up.
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.
