Sotheby’s High Jewelry: Red Diamonds, Vanderbilt Jewels, Graff, Winston, & More!
Sotheby’s June New York High Jewelry auction presents a standout selection of exceptional gemstones and important pieces from renowned collections.
Highlights include a rare 9.60-carat...
Gemologist to Win: Race-by-race tips and previews for Sunday’s meeting at Gunnedah
John SchellMay 24, 2025 — 3.30pmSelections based on a soft track.
Race 1
1. Gemologist had a number of trials before making his debut in a small...
A Great Night for the Big Four: Christie’s Geneva Magnificent Jewels Auction Results
With total sales exceeding 60 million Swiss Francs (over $70 million), Christie’s Magnificent Jewels auction at the Four Seasons Hotel des Bergues in Geneva...
Sotheby’s: The Important Watches I & II! From a Mystery Pendulum Clock to a...
Important Watches I & II
Important Watches I & IIFollowing a triumphant auction last November—realizing over CHF 20 million and setting several world records—Sotheby’s returned...
GIA Updates Pearl Reports: Nacre Thickness Now Graded as Excellent, Very Good, Good, Fair,...
GIA has updated how it describes nacre quality stated on all GIA pearl classification reports, replacing the previous broad terms “Acceptable” and “Unacceptable” with...
The Spectacular High Jewelry Auction: Sotheby’s Geneva Results
Feeling the need to break away from the pack (or at least from its closest rival, Christie's) Sotheby's has changed the name of it's...
Emerald Filler Clarity: New Price Guides for Clarity-Enhanced Emeralds Now in the GemGuide
Emerald Filler Clarity: New Price Guides for Clarity-Enhanced Emeralds Now in the GemGuide
New charts distinguish between cedarwood oil and resin-treated Colombian emeralds
Gemworld International, publisher...
AGTA Goes to Washington – An Update
Continuing Efforts in Washington D.C. to Eliminate Colored Gemstone Tariffs
AGTA Press Release
AGTA CEO John W. Ford, Sr., and AGTA Board President and President of...
The Final Facet: Burgundy Shutters Perth Cutting Facility, Ending an Era of Argyle Craftsmanship
Canada-focused Burgundy Diamond Mines announced that it would refine its approach to the high-end diamond market by forging new partnerships with manufacturers, traders, and...
Dealing Under the Diamond Table: De Beers Secretly Discounts Diamonds to Select Dealers
De Beers’ Quiet Discounts Raise Eyebrows in the Trade
Word is spreading that De Beers has been quietly offering 10-20% discounts on rough diamonds —...
No Surprise Here: DeBeers Exits the Synthetic Jewelry Biz
In our "Spotlight on De Beers – the Las Vegas Presentation" from last year's JCK Show (June 2024), Al Cook, Chief Executive Officer of...
From Cocktail to Couture: the “Tequila Diamond” in the Limelight at the Met Gala
“Can you make a synthetic diamond from tequila?” In this pun-worthy moment, we take our best shot—literally.
In an effort to stand out in a...
