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.

続きを読む

Classification of Gem Materials Using Machine Learning

Explores the application of several machine learning models to complement traditional gem classification approaches.

続きを読む

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.

続きを読む

Scenes from 90 Years of Gems & Gemology

Scenes from 90 Years of Gems & Gemology

続きを読む

The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has Been) Forever

Examines new developments in the story of diamond formation and their extraction from the earth.

続きを読む

Gems & Gemology at Ninety: A Look to the Future

An overview of the Fall 2024 Gems & Gemology content.

続きを読む

Splendors from the Deep: Historic Treasures from a Spanish Shipwreck

An in-depth look at jewelry recently recovered from a 1715 Spanish shipwreck.

続きを読む

Fall 2024 G&G Available Now

An overview of the Fall 2024 Gems & Gemology content.

続きを読む

“Cotton Pearl” Imitations

An in-depth look at a new pearl simulant gaining popularity in the fashion jewelry market.

続きを読む

Two Imitation Melo Pearls

GIA’s Hong Kong and Bangkok laboratories report on imitation pearls with a striking resemblance to natural Melo pearls.

続きを読む

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.

続きを読む

GIA 養殖珍珠報告包含可追溯性訊息

続きを読む

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.

続きを読む

Quarterly Crystal: Spessartine in California Quartz

A smoky brown quartz crystal from Ramona, California, plays host to a 3.3 mm reddish orange spessartine.

続きを読む

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.

続きを読む

Natural-Looking Inclusions in a Ramaura Synthetic Ruby

Milky clouds and flux inclusions in a synthetic ruby create a challenge for identification.

続きを読む

International Jewelry Tokyo 2024

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

続きを読む

Unique Fingerprint in Montana Sapphire

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

続きを読む

Unusually Large Flux-Grown Synthetic Sapphire

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

続きを読む

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.

続きを読む

前へ15 / 149 ページ次へ

こちらもご覧ください

YMAL GIA Ed
通学やオンラインでの教育について学ぶ
Learn About NextGem
GIA ネクストジェム(NextGem) ダイヤモンド研修 小売業向け
Explore GIA Laboratory Promotional Offers
GIAラボラトリーの特別オファーを見る
Shop the GIA Store
GIAストアで ショッピング