International Jewellery Kobe 2024

An overview of one of the premier international jewelry trade shows in western Japan.

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Pearls Marketed as “Venezuelan Pearls”

GIA’s Mumbai laboratory reports on a study of 988 reportedly “Venezuelan pearls.”

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GIA Student Design Showcase

A GIA student from the London campus receives recognition for a necklace design featuring baroque pearls, diamonds, and light pink garnets.

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Brown Zoning in Diamond

Strong linear brown zoning is observed in a Fancy Dark yellow-brown diamond.

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Rainbow-Colored Partially Healed Fissure in Blue Sapphire

An iridescent partially healed fissure is observed in a blue sapphire from Sri Lanka.

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A Minute Foraminifera Shell in a Natural Non-Nacreous Black Pearl

Reports on the study of a foraminifera shell discovered in a pearl reportedly from a Pinctada radiata mollusk.

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Fall 2024 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Fashioned Queen Conch Shell Bead

A Queen conch shell bead is submitted for pearl identification to the Mumbai laboratory.

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Written Characters in Black Opal

Play-of-color patches in black opal display interesting written character patterns.

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