GCAL Expands 8X Grading to Cushion Cuts: How Much Precision is Enough — and...
For decades, diamond grading reports have documented a stone's color, clarity, carat weight, and proportions. Yet anyone who has spent time comparing diamonds knows...
“Colors of the Diamond Market” – 2026 AGA Virtual Conference: This Tuesday, June 23,...
The Accredited Gemologists Association (AGA) hosts a dedicated virtual event focused on the diamond market and gemology.
The conference—"Colors of the Diamond Market"—provides insights into...
Into the Stone: Photomicrography from E. Billie Hughes
This time, Billie Hughes gives us something rarely seen: a before-and-after-and-after-again look at what happens to an inclusion during heat treatment.
As gemologists, we are...
Chicago Responsible Jewelry Conference
Connect with industry leaders and attend the Responsible Gem Boutique and the Chicago Responsible Jewelry Conference, taking place October 22–24, 2026.
Enjoy shopping at the...
Singapore International Jewellery Expo 2026
Press Release
The Singapore International Jewellery Expo (SIJE) 2026, returns to Marina Bay Sands Singapore from 9 to 12 July 2026 with its largest and...
For Your Summer Reading: We Have a Few Suggestions
Designing American Jewelry
by Ellie Thompson
An inspirational book about a jeweler's journey that helped shape her designs.
The Hardness of Emerald
by Ron Ringsrud
Ron Ringsrud's...
Gem-A Gemmology Conference Returns to London, November 2026
The Gem-A Conference will welcome renowned speakers, illustrious sponsors, and internationally revered gemmologists to The Leonardo Royal Hotel London St Paul’s for a weekend...
SSEF Trade Alert: Fraudulent filling of fissures in emeralds after they have been laboratory...
TRADE ALERTSSEF - the Swiss Gemmological Institute
Based on a number of recent cases, the Swiss Gemmological Institute SSEF is issuing a trade alert concerning...
Christie’s Magnificent Jewels Auction, and the Ethereal Jadeite Jade Necklace
Christie's Hong Kong Magnificent Jewels auction brought together many of the ingredients collectors typically chase: a Fancy Vivid Pink diamond by Bvlgari, a nearly...
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 -...
Van Cleef & Arpels: High Jewelry and the Century-Old Hidden Watch Trick
Fashionably late has a whole new meaning. For more than a century, jewelers have been pulling off one of high jewelry's most elegant tricks:...
Beyond the Blue: Sotheby’s Geneva High Jewelry Sale Delivers Plenty of Surprises
Sotheby’s May 12th sale of High Jewelry in Geneva presented the usual wide range of rare gemstones and collectible signed jewels. Headlining the sale...
