Article Search Results

Show Filters
Showing 3 results for "*"
A row of five low-quality bead cultured pearls.
Article
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 characterised their features before and after processing.

Read More

A white and purple pearl sitting in half of its shell.
Article
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.

Read More

Pearls, shells, and jewelry on table
Article
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 recognised in the American pearl industry and has long supported GIA pearl research. Come with us to revisit this family and their pearl collection.

Read More