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...
Rio Tinto discovers exceptional yellow diamond from its Diavik Diamond Mine
Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine.
The 158.20 carat rough diamond...
GIA Announces a Tariff Work-Around: Overseas Labs Accepting Larger Diamonds for Grading
In response to logistics challenges related to recently announced tariffs affecting global shipments of gemstones, GIA (Gemological Institute of America) will temporarily expand services...
The Crater Gives up a 3.81-Carat Brown Diamond: Arkansas’ State Park Yields a Winner!
Sarah Reap, park interpreter with Arkansas State Parks, including the Crater of Diamonds in Murfreesboro, tells us that David DeCook, from Stewartville, MN, and...
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...
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...
GIA to Use ‘Premium’ or ‘Standard’ to Describe Synthetic Diamonds: Clarity and Color Grades...
"Change reflects narrow color and clarity range of the manufactured product"
In a move that feels both obvious and, at the same time, curious–not to...
Big Bicolor: GIA Studies Rare 37-Carat Pink-and-Colorless Rough Diamond
...and you thought you were under a lot of stress.
GABORONE, BOTSWANA – The GIA laboratory in Botswana recently examined an extraordinary 37.41-carat pink-and-colorless rough...
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...
Sotheby’s High Jewelry Geneva Auction Featuring Fancy Color Diamonds and No Heat Kashmir Sapphires...
The November Sotheby's High Jewelry Geneva auction put the spotlight squarely on a 10-carat Fancy Vivid Pink cushion-shape diamond known as the Glowing Rose,...
Holiday 24-Hour Diamond Services at GIA’s Gem Lab
This holiday season, GIA is again offering complimentary next-day Diamond Grading Report and GIA Diamond Dossier® services for submissions to the New York and...
Diamond Club West Coast Looking Ahead to Continued Growth: A Diamond Conversation with Kalpesh Jhaveri,...
The Diamond Club West Coast Closes Out 2025 and Looks Ahead to Continued Growth
More than 600 guests gathered to celebrate industry excellence, honor standout...
