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...
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...
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...
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....
