Unearthed: Raw Beauty: Natural History Museum, Los Angeles, California – See some of the...
Los Angeles Natural History Museum
December 14, 2025 - April 18, 2027Free with general admission or for Members.
A Dazzling New Exhibition Coming to the NHM
A Not-to-Be-Missed Exhibition...
Sotheby’s High Jewelry Geneva Auction Featuring Fancy Color Diamonds and No Heat Kashmir Sapphires...
The November Sotheby's High Jewelry Geneva auction put the spotlight squarely on a 10-carat Fancy Vivid Pink cushion-shape diamond known as the Glowing Rose,...
Christie’s Geneva Magnificent Jewels: Featuring the Mellon Blue and the Rainbow Collection
Christie's once again brought its Magnificent Jewels sale to Geneva this past week, following its May auction that brought in more than $72 million....
Into the Stone: Photomicrography from E. Billie Hughes
Here we have a close-up of a "fingerprint" inclusion in a Madagascar sapphire, shown before-and-after heat treatment. In this paired photomicrograph series by E....
Sotheby’s Royal & Noble Jewels: Old Cuts, Natural Pearls, Tiaras, and Where Bids Soared...
Sotheby's Royal & Noble Jewels sale in Geneva on Wednesday, November 12, 2025, brought together treasures that showcased both exceptional craftsmanship and the deep,...
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....
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...
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...
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...
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...
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...
