Pink Sapphire or Ruby?

Pink Sapphire or Ruby? On a Personal Note - gr What is the difference between Pink Sapphire and Ruby? For many of us, the answer is...
gemmology

Gem-A Conference: Bringing Together the Greatest Minds in Gemmology

Gem-A Conference: Bringing Together the Greatest Minds in Gemmology Gemmologists from around the world will gather in London to attend the annual Gem-A Conference. The...

State of the Art Jewelry Summit: What Can You Do?

State of the Art Jewelry Summit: What Can You Do? Gary Roskin - Roskin Gem News Report - A personal note: Most conferences are inspiring,...

10 of the World’s Most Controversial Gemstones

10 of the World’s Most Controversial Gemstones These precious stones’ pasts are far from sparkly.  By Indi BainsJul 17, 2023Mental Floss online magazine "Gems have been coveted for...

Chromium Surface Diffusion: a Trade Alert

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...

Gary Roskin on the Colored Stone Business Circa 2023

Gary Roskin on the Colored Stone Business Circa 2023 By Victoria Gomelsky | July 20, 2023JCKOnline Even though he’s held numerous roles in the gem and jewelry trade (including...

Inaugural Lab Grown Diamond Symposium Success

Inaugural Lab Grown Diamond Symposium Success Chatham Gives Keynote Address The inaugural one-day Lab Grown Diamond Symposium held in Dubai, July 10th, 2023, and organized by...
13th Annual International Conference on Gold and Diamonds

13th Annual International Conference on Gold and Diamonds (IAC)

13th Annual International Conference on Gold and Diamonds "Maintaining Purpose" IAC’s 13th Annual Gold + Diamond Conference July 17 – 19, 2023 Bohemian National Hall 321 E 73rd St,...

60th Annual ACEit Mid-Year Education Conference

60th Annual ACEit Mid-Year Education Conference Schedule The National Association of Jewelry Appraisers (NAJA) Where: Hilton Hotel & Conference Center, Providence, RI When: August 12 – 13,...

Sotheby’s: The Perfect Diamond – Yes, Perfect!

Sotheby's: The Perfect Diamond - Yes, Perfect! It isn't very often that you can speak of a perfect diamond, but here we are. The term...

Sotheby’s Color Spectacular

Sotheby's Color Spectacular Changing it Up Is this some kind of record for the number of color change gems in one auction? Nine? The Hong Kong...
International Sponsors of War

CGA Keynote: Edward Asscher, Past-President of the World Diamond Council

CGA Keynote: Edward Asscher, Past-President of the World Diamond Council World Diamond Council Past-President To Give Keynote Address At CGA 65th Anniversary Conference, October In...