Stone-Faced Watches: Time Is Set in Stone
On the face of it, there's nothing terribly unusual about a watch dial.
But face the facts. Watchmakers have been getting a little stone-faced lately.
Aventurine,...
Canada Falls, Synthetics Rise, and the Diamond Market Splits in Two: Jon Phillips and...
"It’s been a tough few years in the natural diamond market," notes Jon Phillips, "seriously challenged by synthetics, lower demand and shrinking supply."
"How will...
Gems on Mars? Rubies, Opals and the Hottest New Gem from Jezero Crater
Martian Rocks: Corundum. Chromium. Opal. Chalcedony. Quartz. And now natural glass formed by meteorite impacts.
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'Very Unexpected'NASA Rover Zapped a Rock on Mars And Found...
United States Patent Office: Process for the Manufacture of Artificial Pearls
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We continue with our ongoing series of gem-related patents dating back more than a century,uncovered and shared by William “Bill” D. Hoefer Jr., GG...
GIA and Gübelin Gem Lab Confirm New Source of Copper-Bearing Tourmaline from Ethiopia
Independent research documents material from newly reported source of paraíba tourmaline
Press ReleaseCARLSBAD, Calif. and LUCERNE, Switzerland – August 27, 2026 –
Researchers at GIA (Gemological...
Bangkok Gem Night!
September 7th, 2026
OBJECTIVE DIAMOND CLARITY GRADING: We Think We’re Being Subjective, but Our Brain is Doing...
Diamond clarity grading has always been considered subjective. An experienced grader looks at a diamond and says, “That looks like a solid SI₁ to...
Schmuckmuseum Pforzheim Presents “Silver Lining” – Diamonds, Gemstones and the Changing Role of Silver
Three exhibitions are now on view at the Schmuckmuseum Pforzheim in Pforzheim, Germany. They remind us of what silver has done for jewelry —...
Jardin d’Automne: Gemmologie & Francophonie Announces November Conference in Nantes
Gemology, diamonds, ancient jewelry, color science and the art of gem cutting come together November 20 at Nantes Université
Gemmologie & Francophonie will hold its...
American Gem Society Conclave: The Gem Sessions
For gemologists heading to AGS Conclave, there is plenty to keep you busy.
This year's gem educational program ranges from colored stone treatments to...
Royal Treasures Take Center Stage in Lisbon
Crowns, tiaras, historic gemstones and royal jewels come together at Lisbon's Royal Treasure Museum forTREASURES 2026, November 13–14.
The Royal Treasure Museum in Lisbon, Portugal,...
Chicago Responsible Jewelry Conference & Responsible Gem Boutique
Join the CRJC on October 22 for the Responsible Gem Boutique at 5 South Wabash Ave.,AND October 23–24 at the Film Row Cinema in...
