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...
New Spinel Treatment: Nickel Diffusion
New Spinel Treatment: Nickel Diffusion
Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...
Let’s Do This! The Green Guides are being revised! And the FTC wants YOUR...
Let's Do This! The Green Guides are being revised! And the FTC wants YOUR Advice!
In response to the FTC’s upcoming revision of the Green...
I don’t believe the opal found on Mars has ever been identified as ‘precious’
I Don't Believe the Opal Found on Mars has ever been Identified as 'Precious'
Maybe not, but maybe ....
Opal on Mars
Over the past few weeks,...
Tiffany & Co., in the Pink!
Tiffany & Co., in the Pink!
In a recent New York Times article, Tiffany & Co. made a large purchase in 2022 – 35 Argyle pink diamonds,...
Better Than Even Imagined – FACETS Sri Lanka
Better Than Even Imagined - FACETS Sri Lanka
"Most successful show in 30 years!" proclaimed the newspaper headlines.
With 70 exhibitors, 5,000 visitors, and 100...
Exhibition: Gemstone-set jewelry inspired by Karen Blixen
Exhibition: Gemstone-set jewelry inspired by Karen Blixen
Karen Blixen told in silver, pearls and diamonds
A special exhibition – Silver Tales
Currently on display until April 30,...
I feel the need to edit this!
I feel the need to edit this!
Gary Roskin - Roskin Gem News Report - January 2, 2022 -
Do we care about what other...
The Rise of the House of Asscher & that 10.67-carat Fancy Grey Diamond
The Rise of the House of Asscher & that 10.67-carat Fancy Grey Diamond
A bit of history with the 10.67 carat Fancy Grey Diamond ......
Tanzanite with faceted diamond beads
Tanzanite with faceted diamond beads -
Tanzanite, a blue/purple color variety of Zoisite, is found only in the Merelani Hills of North Eastern...
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...
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,...
