
Remarkably Large Akoya Bead Cultured Pearls
Strands of unusually large round Japanese akoya pearls were spotted in early 2024 in Tucson.

Quartz with Sphalerite
A quartz crystal from the Taolin mine in China hosts a phantom of brownish orange sphalerite inclusions.

“Conch Shell” in Diamond
A transparent feather observed in a natural diamond resembles a conch shell.


悼念:GIA 理事 Rodney Ewing(罗德尼·尤因)博士
Rodney Ewing(罗德尼·尤因)博士在 2006 年至 2015 年间任 GIA 理事会成员,于本月初逝世,享年 77 岁。

悼念:GIA 理事 Rodney Ewing(罗德尼·尤因)博士
Rodney Ewing(罗德尼·尤因)博士在 2006 年至 2015 年间任 GIA 理事会成员,于本月初逝世,享年 77 岁。

GIA Alumni Celebrate 50ᵗʰ Reunion of First New York Graduating Class
Members of the first class to complete the GIA Graduate Gemologist® program in New York City gathered.

The Nature of the Be-Nb-Ta Containing Cloud in Natural Madagascar Blue Sapphire – An FIB/HRTEM Study
Investigates the nature of nano-inclusions of elements such as niobium, tantalum, and tungsten in the milky regions of natural beryllium-bearing sapphires.


GIA准备连串活动参与拉斯维加斯珠宝展
Experience the world of gemology in person with GIA at Couture and JCK Las Vegas.


William Ruser: The Jeweler Who Charmed Hollywood
A new book chronicling the life of “Jeweler to the Stars” William Ruser is available now.

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.


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

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

Unusual Aquamarine–White Beryl
An interesting bicolor beryl specimen composed of aquamarine and white beryl reportedly from Bahia, Brazil, is examined.

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

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

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