The Hybrid Diamond Color Grading Master Set: How Cost and Availability Caused a Revelation

By now, you’ve probably seen press releases from AGA (Accredited Gemologists Association) and GCAL by Sarine, announcing the new Hybrid Master Set—a diamond color...

CGA 65th Anniversary Mega-Conference!

CGA 65th Anniversary Mega-Conference! TORONTO, ON (August 08, 2023)The Canadian Gemmological Association (CGA) is celebrating their 65th anniversary this year, making them among one of...

Color Enhancement in Ruby has SGL Seeing Red

Color Enhancement in Ruby has SGL Seeing Red by Bear Williams, Stone Group Labs (SGL) RUBIES are typically sent into professional gem labs for Identification...

How to Clean and Care for Your Jewelry

NYTimes.com - Zoe Vanderweide | October 31, 2022 - Gold not so glittering? Diamonds looking dim? Lotions, household cleaners, improper storage, and everyday wear...

Details of Rio Tinto’s “Beyond Rare” Tender: Very Rare Lots: Argyle Pinks, Reds, &...

Details of Rio Tinto's "Beyond Rare" Tender: Very Rare Lots: Argyle Pinks, Reds, & Violets, plus Two Large and Important Diavik's - a Yellow...

GIA Pilot Program to Grade Mounted Goods

GIA Pilot Program to Grade Mounted Goods Press Release / GIA CARLSBAD, California – June 20, 20224GIA (Gemological Institute of America) is piloting an innovative Jewelry...

AGA 50th Anniversary Gala/Conference: DANAT Lab Presentation Added

AGA 50th Anniversary Gala/Conference: DANAT Lab Presentation Added AGA Celebrates its 50th Anniversary at the 2024 Tucson Conference and Gala, adds a presentation from the...

NAJA 61st Annual ACE©it Winter Education Conference

NAJA 61st Annual ACE©it Winter Education Conference Make your hotel and car rental reservations NOW to attend The 61st NAJA (National Association of Jewelry Appraisers) Annual...

AngloAmerican turns down $39Billion: It’s NOT about the Diamonds

AngloAmerican turns down $39Billion: It's NOT about the Diamonds Gary Roskin - RoskinGemNewsReport - AngloAmerican is a mining company. It owns 85% of De Beers...

Stolen British Museum Gems Now Back on Display

Stolen British Museum Gems Now Back on Display Katie RazzallCulture and media editorBBC.com Ten glass gems have been put on display for the first time since...

GIA’s Colored Stone Origin Determination Seminar

GIA's Colored Stone Origin Determination Seminar The Continuing Education division of GIA's Alumni Collective is now offering new self-paced continuing education seminars on Ruby, Sapphire,...

Gemworld International Announces Several Changes

For Immediate Release - Jan. 4, 2023 - Gemworld International Announces Several Changes: - Brecken Branstrator named GemGuide’s editor-in-chief - Stuart Robertson steps into...