Education

The Palm Tree BroochChristie's Auction, Dec. 6 Gary Roskin -Roskin Gem News Report -December 07, 2022 - The Palm Tree Brooch, a Cartier estate piece, was...

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...

Roskin Gem News ReportGary Roskin Conch Pearl: Coated, or not? Identification of pearl coatings can be a bit tricky, especially if the coating has been performed...

Laboratory-Grown Diamonds vs. Synthetic Diamonds Q: What is the Difference between Laboratory-Grown Diamonds (aka Lab-Grown) Laboratory-Created Diamonds (aka Lab-Created) Factory Grown Diamonds Manmade Diamonds and Synthetic Diamonds? A: Absolutely nothing! They...

Crystal pipes – are they actually safe to smoke? CARA WIETSTOCKGREENSTATE FIELD GUIDE NEWSLETTERAUGUST 9, 2023 Not a good idea! When crystal pipes images hit influencer accounts,...

On display now, featuring ten lapidary artists from the Americas representing gem carving trends in the 21st Century.Georg SchmerholzJulio Martínez BarnetcheLawrence StollerLuis Alberto Quispe...

New Spinel Treatment: Nickel Diffusion Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...

An Exclusive Post Auction Interview with Dev Shetty https://youtu.be/qovSWqh_Dkk "We are very happy," says an exuberant Dev Shetty, Founder & CEO of FURA Gems. "It"'s a...

Curious Details of GIA's July Lab Staff Layoffs Gary RoskinRoskin Gem News Report In late July, the Gemological Institute of America (GIA), one of the world"'s...

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

Chromium Surface Diffusion: a Trade Alert Chromium Surface Diffusion Treated "Ruby"By: Jeffery Bergman - ASG SGC of EighthDimensionGemsPhotos by Ayub Muhammad of Pretty Little GemJuly...

Barbara M. Berk"'s "Aquamarine Rhapsody" now in the Smithsonian Gary Roskin - Roskin Gem News Report - Platinum and aquamarine pendant donated to the National...