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

One-of-a-kind gemstone keycaps for mechanical keyboards were exhibited at the 22nd Street show.

A new find of fluorite from Nigeria was exhibited at the Pueblo show.

Researchers of the Tairus joint venture have developed the technology for the hydrothermal growth of gem-quality crystals of synthetic sapphire.

The Tokyo laboratory reports on GIA’s first submission of gadolinite.

Large, clean citrine reportedly from the Kitwe deposit in Zambia is a welcome addition to the gem market.

Elongated zircon inclusions display attractive birefringent interference colors in a blue sapphire from Kashmir.

Provides an overview of processes for synthesizing gem materials and explains how unique growth conditions enable them to be separated from naturally formed gems.

Several lots sold during the spring auction season far exceeded their presale estimates.

An in-depth look at Clarity Diamond’s CVD facility in Austin, Texas.

A large baroque-shaped blister pearl with a unique multicolored appearance is examined in the Mumbai laboratory.

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

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

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

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

Two strongly orangy pink morganites with residual radioactivity were studied.

Recognizing the outstanding talent of GIA jewelry design students from around the world globally

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This document provides the publication information for Gems & Gemology