William Ruser: The Jeweler Who Charmed Hollywood

A new book chronicling the life of “Jeweler to the Stars” William Ruser is available now.

続きを読む

Update on Inclusion Scenes in Mozambican Rubies

GIA researchers identify zircon inclusions in several Mozambican ruby samples, potentially impacting origin determination criteria used for sources of East Africa ruby.

続きを読む

Update on Liberian Ruby

Ten Liberian corundum samples are examined in GIA’s Tokyo laboratory.

続きを読む

Phenomenal Emeralds from Chitral, Pakistan

GIA’s Bangkok laboratory encounters two phenomenal gems while examining a parcel of emeralds from Pakistan.

続きを読む

Beryl from Newfoundland, Canada

Beryl and emerald specimens from a recent discovery in Newfoundland are examined at GIA.

続きを読む

Unusual Aquamarine–White Beryl

An interesting bicolor beryl specimen composed of aquamarine and white beryl reportedly from Bahia, Brazil, is examined.

続きを読む

Gold Granulation by Zaffiro

One-of-a-kind gold granulation jewelry by Zaffiro was featured in the AGTA designer showroom.

続きを読む

Ukrainian Pegmatitic Heliodor and Topaz

Topaz and beryl from the Volyn deposit in Ukraine were popular offerings at this year’s Tucson shows.

続きを読む

Out of Our Mines

An impressive variety of American stones, including turquoise and variscite, was offered by Out of Our Mines at the AGTA show.

続きを読む

Unique Sphalerite from Spain

A one-of-a-kind sphalerite is faceted to highlight its distinct regions of iron distribution.

続きを読む

Thirty Years Later: “The Royal Tapestry” Revisited

Members of the Piat family gather at the Alfie Norville Gem & Mineral Museum in Tucson to see “The Royal Tapestry” for the first time.

続きを読む

Patania Jewelry

A look at the diverse jewelry designs from four generations of the Patania family.

続きを読む

Precious Opal from Pedro II, Brazil

A look at the variety of rough and finished Brazilian opal offered by Prime Gems at the GJX show.

続きを読む

Blue Opal from Chile

An ocean blue variety of opal from Chile was introduced at the 22nd Street show in Tucson.

続きを読む

Morganite from Blue Star Gems

An extraordinary 236.27 ct morganite from Madagascar stands out at the GJX show.

続きを読む

New High-Quality Rainbow Moonstone from Madagascar

A new type of transparent moonstone seen in Tucson displays a distinct orange flash effect.

続きを読む

Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich

Opening day at the AGTA GemFair included the unveiling of the “Treasure Chest II with Blue Boy” intarsia jewelry box.

続きを読む

Historical Relics Repurposed into Jewelry

Several jewelry designs incorporated historical artifacts at the Tucson gem shows.

続きを読む

Guatemalan Jadeite Jade: Rough and Finished

A wide range of Guatemalan jadeite jade in blue, green, and lavender hues was offered at the 22nd Street show in Tucson.

続きを読む

Gemstones and Art

A visit to the Tucson Fine Mineral Gallery uncovers impressive gemstone-related artwork.

続きを読む

前へ1 / 2 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