“Cotton Pearl” Imitations
An in-depth look at a new pearl simulant gaining popularity in the fashion jewelry market.
Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry
Characterizes gem-quality amethyst from the La Manche deposit in the Avalon Zone of Newfoundland, Canada.
Generative Artificial Intelligence as a Tool for Jewelry Design
Evaluates the use of generative AI programs in jewelry design and addresses the related ethical, legal, and regulatory challenges.
Gems & Gemology at Ninety: A Look to the Future
The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has Been) Forever
GIA Launches Newly Redesigned Consumer Website
Everything retailers and their customers need to know about diamonds just got easier to find and understand with GIA’s redesigned consumer-facing website dedicated to the 4Cs of Diamond Quality – Clarity, Cut, Color and Carat Weight – and to serve as the go-to source for gemstone information.
GIA Cultured Pearl Reports Include Traceability Information
Technology developed by Hong Kong-based Fukui Shell Nucleus Factory creates opportunities for tracing cultured pearls through the supply chain.
Akoya Cultured Pearl Prize in an Arcade-Style Claw Game
Arcade-style games in Japan dispense akoya pearl jewelry as prizes.
Hammered Effect in a Worked Pearl
A natural saltwater pearl displays the optical illusion of a bumpy texture.
Quarterly Crystal: Spessartine in California Quartz
Unique Fingerprint in Montana Sapphire
Metallic See-Through Backing on Omphacite Jade
Natural-Looking Inclusions in a Ramaura Synthetic Ruby
Cat’s-Eye Hexagonite
Dance of Light and Color: Painted Labradorite
Unusually Large Flux-Grown Synthetic Sapphire
New Emerald Production from the Curlew Mine, Western Australia
Large Natural Diamonds with Asteriated Cloud Inclusions
Two natural diamonds containing cloud inclusions that resemble stars are examined in the Carlsbad laboratory.
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