India is Still Looking for Diamonds – and Found 5! (Don’t get too excited)
Two hundred tonnes of rock and sediment. Five rough diamonds. Just 1.22 carats.
5, but really only 2This was the result of recent bulk-sample testing...
When Price Becomes Secondary to Availability: Why GemGuide Changed the Way it Prices Burmese...
For decades, gemstone pricing guides have operated on a simple assumption... If enough material exists in the marketplace, researchers can observe transactions, compare qualities,...
Four Watches and a Cartier Desk Clock: Beyond Sotheby’s Jewelry Case
Taking a short break from the traditional gem-set jewels, we took a look through Sotheby's Geneva Fine Watches auction catalogue, held May 7th -...
Scott Sucher and the Hortensia: French Crown Jewel Replica Cut in “Grown Diamond”
For centuries, the famous Hortensia Diamond has existed as an historical object behind museum glass at the Louvre — a softly colored pink diamond...
The Big Ones Keep on Coming: Letšeng Recovers Two More 100+ Carat Diamonds
They did it again.
The Letšeng Diamond Mine in Lesotho has recovered two more 100+ carat diamonds — a 100.71-carat Type I faint yellow diamond...
Rubies on Mars? The Science is Exciting. The Gemological Evidence is Still a Little...
A recent article in Scientific American suggested that NASA rovers may have found traces of minerals on Mars related to rubies, sapphires, opals, and...
The Death of “Organic”: Why Gemology Needs a Scientific Revolution
Session 2, Sarah Caldwell Steele The Death of “Organic”: Why Gemology Needs a Scientific RevolutionAccredited Gemologists Association
by Emily “D.D.” Frontierefor the Roskin Gem News...
Arnold & Son Puts the Storm on the Dial: Watches at Watch & Wonders...
As we expect from a high-end watch show, watches at Watches & Wonders Geneva tend to focus on complicated mechanics, precious metals, and diamonds.
But...
A Pipeline Under Pressure: What the Latest Diamond Mining Reports Mean for Your Business
We’ve been following a number of mining reports over the past few weeks… and started putting them together into a broader, global picture for...
From Showcase to Stewardship: Robert Procop Honored – Renaming of L.A.’s NHM Gem And...
By Anthony DeMarcoSenior Contributor, Forbes
When the Natural History Museum of Los Angeles County renames its Gem and Mineral Hall after Robert Procop, it reflects...
Pakistan’s Gemstone Push: From Rough Supply to Market Presence?
As first reported April 27 by Arab News, Pakistan plans to host its first international gemstone exhibition in July 2026 as part of a...
Heritage May 4th Spring Signature Auction: Heavyweights, Hidden Gems & Surprise Picks
Heritage presents the May 4th Spring Signature Fine Jewelry Auction, with all the expected heavyweights—colored diamonds, Kashmir sapphires, Burmese rubies, Cartier, Van Cleef &...
