G&G Facebook Group Surpasses 40,000 Members
Gems & Gemology’s growing community of gem enthusiasts features content from G&G contributors, GIA researchers, and other group members.
International Jewelry Tokyo 2024
A look at Japan’s largest jewelry trade show, International Jewelry Tokyo, held in January 2024.
Unusually Large Flux-Grown Synthetic Sapphire
An abnormally large flux-grown synthetic sapphire rough crystal is examined in a lab in India.
GIA Student Design Showcase
A GIA student from the New York campus receives recognition for a necklace design featuring diamonds, lavender jade, and akoya pearls.
Akoya Cultured Pearl Prize in an Arcade-Style Claw Game
Arcade-style games in Japan dispense akoya pearl jewelry as prizes.
New Emerald Production from the Curlew Mine, Western Australia
GIA’s Bangkok laboratory studies emeralds from the Curlew mine’s recently renewed production.
Remarkably Large Akoya Bead Cultured Pearls
Strands of unusually large round Japanese akoya pearls were spotted in early 2024 in Tucson.
Blister Pearl vs. Shell Blister from Pteria sterna
GIA’s Mumbai laboratory reports on the study of Pteria sterna shells with visible protuberances.
Spring 2024 Auction Highlights
Several lots sold during the spring auction season far exceeded their presale estimates.
A Visit to Clarity Diamond’s CVD Facility
An in-depth look at Clarity Diamond’s CVD facility in Austin, Texas.