Eighth Annual Gianmaria Buccellati Foundation Award Winner

A graduate of GIA’s Jewelry Design program in London is the recipient of the 2024 Gianmaria Buccellati Foundation Award.

続きを読む

Wearable Art Jewelry Supporting Families in Guatemala

Chick Boss, a small jewelry business based in Guatemala, gives back to the community.

続きを読む

Gems Keep Giving

The nonprofit organization Gems Keep Giving aims to improve global small-scale mining and gem-cutting communities.

続きを読む

Rare Faceted Väyrynenite

Uniquely saturated examples of the collector stone were on display at GJX.

続きを読む

Paraíba Tourmaline Melee: An Entry-Level Market Perspective

A look at Paraíba tourmaline melee, which offers a more accessible price point for consumers.

続きを読む

Gem-Quality Spinel from Southern Malawi

Parcels of rough spinel recently mined in Malawi were offered at the AGTA show.

続きを読む

Update on Montana’s Rock Creek Sapphire

Potentate Mining expands its mining operation and hosts the first Montana sapphire tender in Bangkok.

続きを読む

Phenomenal Gems

A look at the most popular phenomenal gems exhibited at the 2025 Tucson gem shows.

続きを読む

New Deposit of Pezzottaite from Madagascar

A highly saturated purplish pink to red pezzottaite from a new deposit in Madagascar is encountered in Tucson and tested by GIA researchers.

続きを読む

“Bubble Obsidian” from Armenia

An exhibitor at the 22nd Street show offers an unusual type of obsidian from Armenia.

続きを読む

Green Jadeite-Omphacite from Guatemala

Bright green and nearly transparent jade from Guatemala, similar to jade from Myanmar, was available in Tucson.

続きを読む

Large “Rainbow Calcite”

続きを読む

New Nigerian Green Beryl Find

Vendors in Tucson exhibited Nigerian green beryl with concentrated color zones.

続きを読む

Tucson 2025 Overview

A summary of the findings at the 2025 Tucson gem shows.

続きを読む

“Enhydro” Amethyst from Morocco

A rare find of Moroccan amethyst with eye-visible fluid inclusions is spotted at the Pueblo show.

続きを読む

Gemstone Artisan Keycaps

One-of-a-kind gemstone keycaps for mechanical keyboards were exhibited at the 22nd Street show.

続きを読む

New Fluorite Deposit in Nigeria

A new find of fluorite from Nigeria was exhibited at the Pueblo show.

続きを読む

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