記者発表の検索結果

Alliance for Responsible Mining and Mercury Free Mining Field Test Innovative Artisanal Gold Processing System

The recent successful field-test of an innovative system for mercury-free processing of gold ore is a significant advancement in the important effort to safeguard the health and safety and improve economic outcomes for artisanal, small-scale gold miners (ASGM) and their communities.

続きを読む

GIA檢測34.59克拉化學氣相沉積法(CVD)實驗室培育鑽石

続きを読む

GIA Adds “Peacock” Color Range Comment to All Pearl Reports

GIA is adding a report comment employing the trade color term “Peacock” for designated colors of cultured pearls from the Pinctada margaritifera black-lipped pearl oyster, commonly known as Tahitian pearls.

続きを読む

Need-Based Scholarships Offered by GIA Year-Round

GIA’s industry-leading and globally-recognized diploma and certificate programs educate professionals with the skills needed for success in the gem and jewelry industry.

続きを読む

GIA恢复提供纸质版钻石鉴定精简版报告

GIA will return to producing printed GIA Diamond Dossier reports beginning April 9.

続きを読む

GIA Library’s Exhibit on Mercury-Free Mining Wins Award

続きを読む

Career Fair – Powered by GIA is Back in New York

続きを読む

GIA’s 6thAnnual Jewelry Design Competition Highlights Emerging Talent

As a leading educational institute, GIA helps educate the next generation of gem and jewelry professionals in gemology, jewelry design and jewelry manufacturing arts.

続きを読む

GIA Researchers Identify New Spinel Treatment

Scientists at the GIA laboratory in New York City recently discovered spinel treated by nickel diffusion in a parcel of gems acquired for research purposes by the GIA research team in Bangkok.

続きを読む

GIA推出更經濟的實驗室培育鑽石精簡版報告

The Gemological Institute of America (GIA), the leading gemological grading and identification organization, is now offering a lower-cost GIA Laboratory-Grown Diamond Report - Dossier.

続きを読む

New Year, New Digital GIA Report

The start of 2023 marks a significant milestone in the digital transformation of the global diamond industry - the launch of the fully digital GIA Diamond Dossier, the most widely available diamond grading report in the world.

続きを読む

宝石のカッティングスタイル - 定義

GIA, the leader in gemological education, research and science-based gem identification and grading services, is revamping the GIA Graduate Jeweler program in collaboration with master goldsmith and award-winning jewelry designer Alan Revere.

続きを読む

前へ6 / 9 ページ次へ

あなたにおすすめ

YMAL GIA Ed
GIAのロンドン新キャンパスを発見
Learn About NextGem
GIA NextGem™ 小売業向けダイヤモンドトレーニング
Explore GIA Laboratory Promotional Offers
GIAラボのプロモーションオファーを探る
Shop the GIA Store
GIAストアで購入