More Diamond Counterfeit Inscriptions Encountered: Test Everything to be Sure
More Counterfeit Diamond Inscriptions Encountered: Test Everything to be Sure
Gary RoskinRoskin Gem News Report
In their press release from Monday, December 18, 2023, Gem-Tech Istituto...
Is it a Padparadscha, or not?
Is it a Padparadscha, or not?
GIA Observes Unusual Color Change in Sapphires During Color Stability Testing... and what is Tenebrescence?
Above - Image copyright GIA,...
From the Gem & Mineral Vault
Rhodochrosite
from Peru
on view at the Harvard Mineralogical & Geological Museum (MGM), Cambridge, Massachusetts, across the Charles River from Boston.
Photo by Gary Roskin
Intergem: Idar-Oberstein’s Premier Show
Intergem: Idar-Oberstein's Premier Show
Gary RoskinRoskinGemNewsReport
If you are in the gem business, then you know about Idar-Oberstein, Germany, with its 500+ year history of gem...
Grizzly’s Zambian Emerald Auction helps Market the Brand – Sales Top $19 Million
Grizzly's Zambian Emerald Auction helps Market the Brand - Sales Top $19 Million
Gary Roskin - Roskin Gem News Report -
If you are one...
Natural Pearls
Natural Pearls -
Pearls that are created by Mother Nature (and the oyster, of course) are called "Natural Pearls." There is no (intentional) human...
… and in Diamond News …
... and in Diamond News ...
Gary RoskinRoskin Gem News Report
World Federation of Diamond Bourses, French Ministry of Economy and Finance, & the Definition...
The Billion Dollar Spodumene Deposit They Cannot Mine!
The Billion Dollar Spodumene Deposit They Cannot Mine!
Gary RoskinRoskin Gem News Report
For gem & mineral collectors, Plumbago Mountain in Newry, Maine is famous for...
Rap Claims “It’s Not Real” / Chatham Says “Mind Your Own Business”
Rap Claims "It's Not Real" / Chatham Says "Mind Your Own Business"
Gary RoskinRoskin Gem News Report
This continuing battle between the natural and created...
AngloAmerican turns down $39Billion: It’s NOT about the Diamonds
AngloAmerican turns down $39Billion: It's NOT about the Diamonds
Gary Roskin - RoskinGemNewsReport -
AngloAmerican is a mining company. It owns 85% of De Beers...
Ethical Gem Fair: We See Progress
Ethical Gem Fair: We See Progress
Ethical Gem Fair
Tucson: We had a chance to visit the fair and not a surprise, it was genuinely heartwarming...
Iridis Announces World’s First Auction of Rough Tourmaline
Iridis Announces World's First Auction of Rough Tourmaline
Gary RoskinRoskin Gem NewsReport
Iridis, owner of the Jagoda tourmaline mine in Zambia, recently reported as "the world's...





















