A look at Japan’s largest jewelry trade show, International Jewelry Tokyo, held in January 2024.

A group of fingerprint and crystal inclusions form the shape of a bird in a Montana sapphire.

An abnormally large flux-grown synthetic sapphire rough crystal is examined in a lab in India.

A GIA student from the New York campus receives recognition for a necklace design featuring diamonds, lavender jade, and akoya pearls.

An unusual effect created by the backing on a jade carving is observed in the Carlsbad laboratory.

A natural saltwater pearl displays the optical illusion of a bumpy texture.

Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.

A rare chatoyant hexagonite is examined in GIA’s New York laboratory.

Arcade-style games in Japan dispense akoya pearl jewelry as prizes.

Two natural diamonds containing cloud inclusions that resemble stars are examined in the Carlsbad laboratory.

A natural faceted diamond displays a prominent square-shaped cloud under the table.

GIA’s Bangkok laboratory studies emeralds from the Curlew mine’s recently renewed production.

Reviews the advancements and major trends in laboratory-grown diamonds observed by GIA since 2007.

Provides a visual guide to the internal features of tourmaline as well as tourmaline inclusions in other gem hosts.

Examines gem-quality cassiterite from southwest China and analyzes trace element chemistry to distinguish it from Bolivian cassiterite.

Characterizes an anorthoclase variety of alkali feldspar found in southeast Vietnam and evaluates its potential for commercial use.

Artist Valentina Fetisova transforms labradorite cabochons into remarkable works of art.

Artist Valentina Fetisova transforms labradorite cabochons into remarkable works of art.

An overview of the Summer 2024 Gems & Gemology content.

Dr. Rodney Ewing, a member of the GIA Board of Governors from 2006 to 2015, passed away earlier this month at age 77.