A GIA-certified diamond with loose diamonds beside it.

Holiday 24-Hour Diamond Services at GIA’s Gem Lab

This holiday season, GIA is again offering complimentary next-day Diamond Grading Report and GIA Diamond Dossier® services for submissions to the New York and...

Nephrite Jade: An update on Basics, Research and Markets 

Join us on Wednesday, November 26 for our November 2025 Webinar as we learn more about an updated look at the Nephrite Jade world....
Close-up images showing wood surface before and after treatment.

Into the Stone: Photomicrography from E. Billie Hughes

Photomicrography: Into the Stone Images by E. Billie Hughes E. Billie Hughes, FGA, is a co-founder of Bangkok-based Lotus Gemology, a respected gemological laboratory and educational...
A red and silver decorative snake sculpture on a black background.

Invisible-Set Genius: Inside the Craft of Oscar Heyman

A Personal Note Every now and then, a jeweler sends out a photo that stops you mid-scroll. Not because it's big or flashy, but because...
Elegant bracelet with red and green gemstones set in brown material.

AGTA Announces the 2025 Spectrum & Cutting Edge Award WINNERS! … and the Roskin...

On a Personal Note:There was certainly a buzz in the room – well over 300 pieces to view, loose gems and gem-set jewelry stretched...
Two people standing in front of large classical columns outside a building.

AGTA Continues the Fight for Zero Tariffs: Thailand and Vietnam Look to be Next

By Gary RoskinRoskin Gem News Report The American Gem Trade Association (AGTA) has just announced a major development in its tariff-reduction campaign: the United States...
Colorful concentric rings resembling a topographic or heat map.

Scoping It Out: Photomicrography from Melissa Scarani

Melissa Scarani, GG (GIA), FGA, ASA, is the founder of Gemology Resources, and Houston Gemological Lab in Houston, Texas. A seasoned gemologist with over...

GIA’s “NextGem” Reminder — In Time for the Holidays: Short, On-Demand Courses for New...

With the holiday season around the corner, the Gemological Institute of America (GIA) has reminded us of GIA's NextGemâ„¢, a new way for retail...
Conference announcement for March 25-28, 2026, in Dubai, UAE.

BrankoGems Announces 3rd International Conference in Dubai

Coming This March – BrankoGems Conference Travels to DubaiThe 3rd International BrankoGems Conference is set for March 25–28, 2026, at the Novotel Deira Creekside....
Elegant gold ring with a colorful striped inlay design.

Canadian Gemmological Association Announces Canadian Jewellery Design Contest Winners!

The Canadian Gemmological Association (CGA) announced today the 2025 seventh Canadian Emerging Artist Design Competition winners. Jewellery students and new graduates across Canada were...
Glowing green abstract shape resembling a four-leaf clover in darkness.

Photomicrography: Images from Within: Images by Sammantha Maclachlan

When Sammantha told us she had a new image for us, and that it was from a slice of asteriated diamond, we never envisioned...
Two people standing in front of large classical columns outside a building.

How AGTA is Singlehandedly Saving the International Colored Gemstone Industry*

Behind the scenes, the American Gem Trade Association (AGTA) has been fighting a quiet, complex, and costly battle in Washington, D.C. As AGTA CEO...