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Pearl

Perfect shining spheres. Lustrous baroque forms. Seductive strands, warm to the touch. Pearls are simply and purely organic.

Pearl
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Research

Pearl Quality Factors

Learn about the factors that make pearls so desirable.

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Pearl History and Lore

People have coveted natural pearls as symbols of wealth and status for thousands of years.

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Pearl Journey

Perfect shining spheres. Lustrous baroque forms. Seductive strands, warm to the touch. Pearls are simply and purely organic

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Pearl Description

Perhaps the best-loved gems of all time, pearls—both natural and cultured pearls—occur in a wide variety of colors. Learn about the factors that make pearls so popular and desirable!

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Pearl Care and Cleaning Guide

Learn about pearl's durability and how to care for your pearl jewelry.

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A Study on Improving the Surface Appearance of Low-Quality Pinctada maxima Bead Cultured Pearls

In this study, the Bangkok laboratory examined five low-quality bead cultured pearls sourced directly from a local pearl factory and characterized their features before and after processing.

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Clam Chowder with a Side of Pearl

Recently, GIA’s laboratory in New York had the opportunity to examine a fascinating pearl find and hear about an even more fascinating story.

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A New Life for Revival Jewelry Styles: Archaeological, Renaissance and Egyptian

Revival jewelry is inspired from the past – and wearing it connects us to the rich history of the beginning of civilization.

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The Lure of American Freshwater Pearls: Revisiting the Latendresse Family

John Latendresse is known as the father of American cultured pearls. He was also a great natural pearl collector and left his family a remarkable natural pearl collection. The Latendresse family is well recognized in the American pearl industry and has long supported GIA pearl research. Come with us to revisit this family and their pearl collection.

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Pinctada maculata (Pipi) Bead-Cultured Blister Pearls Attached to Their Shells

A study on four Pinctada maculata cultured blister pearls originating from Penrhyn Island.

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Atypical “Beading” in the Production of Cultured Pearls from Australian Pinctada maxima

In 2011, the authors began to see cases of low-quality natural pearls being used as unconventional “beads” for cultured nacre growth.

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GIA Field Gemologists Visit Pearl Farms Near Mergui, Myanmar

Dip beneath Myanmar’s waters in search of South Sea cultured pearls with GIA’s field gemologists.

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