ARTICLES
Articles written by and about Jeffery Bergman for various magazines and websites
Brazilian gemstone appraisal scammer fails to show up
Brazilian gemstone appraisal scammer fails to show up and testify in defamation trial in Thailand Bangkok, Thailand – August 23, 2023: A notorious appraisal scammer,
Gemstone appraisal scam whistleblower hearing rescheduled to August 10
Gemstone appraisal scam whistleblower facing criminal defamation charges in Thailand In the next two months, Jeffery Bergman and his legal team will expand and refine
Gemstone appraisal scam whistleblower facing
Gemstone appraisal scam whistleblower facing criminal defamation charges in Thailand Bangkok, Thailand – May 28, 2023: Jeffery Bergman, an American gemstone dealer and gemologist based
SSEF vindicates gemmologist Jeffery Bergman, SGC
SSEF vindicates gemmologist Jeffery Bergman, SGC Bangkok, Thailand – September 17, 2023 – In a stunning 180-degree turnaround, SSEF, the Swiss Gemmological Institute, has acknowledged that
Pakistan’s Gems, Mines and Markets
Pakistan’s Gems, Mines and Markets An Overview by Jeffery Bergman, SGC SSEF The magnificent ‘King of Kashmir’ aquamarine cluster in situ on meta-granite with quartz
Chromium Surface Diffusion Treated “Ruby”
Chromium Surface Diffusion Treated “Ruby” By: Jeffery Bergman – ASG SGC of EighthDimensionGems Photos by Ayub Muhammad of Pretty Little Gem July 20, 2023 –
Crimson Prince Ruby from Namya
Crimson Prince Ruby from Namya Mogok, Myanmar is considered the source of the finest rubies on Earth. In 2000, an exciting new ruby discovery was
Emerald Enhancements A Consumer and Trade Guide
Emerald Enhancements: A Consumer and Trade Guide Regardless of origin, perhaps 99% of all cut emeralds are sold with some sort of enhancement for clarity. Since emeralds freshly
Trapiche: The Rising Star – by Jeffery Bergman
Trapiche: The Rising Star : by Jeffery Bergman Humans are fascinated with geometry and historically the hexagon is the most iconic of popular geometric shapes.
Gems & Gemology: 2016 Fall pg. 288-287 – Co-author:
Bead-cultured and non-bead cultured pearls from Lombok, Indonesia
IGR – Italian Gemological Review:
2019 #6 – Cover photo and article: Ethiopian emeralds, a stunning discovery
2019 #7 – Opali Etiopi. Fatti, favole e paure
2020 #10 – An overview of emerald enhancements
2021 #12 – The ultimate challenge. From an 11.22-carat with minor clarity enhancement, to an exceptional 10.17-carat oil/resin-free natural Shakiso, Ethiopian emerald
IGS – International Gem Society:
• Gem Origin Opinions: When Gem Labs Agree To Disagree
• Buyer Beware: Closer Examination of the Burj Alhamal Ruby Casts Doubt on its $120 Million Valuation
• Emerald Transformation: Cleaning and Recutting a Natural Emerald
• Emerald Enhancements: A Consumer and Trade Guide
• Is the 500-Pound Beleza Emerald Really Worth $280 million?
• 800 Years of Mogok: A Celebration in Tenuous Times
• Emerald Myth Busters: Identifying Colombian Stones
• The World’s Largest Cut Cats-eye Chrysoberyl
• The World’s Largest Emeralds
• Fake News in the Gem Trade: A Waterworn Emerald from Chivor?
• Ruby-Glass Composites vs Leaded Glass Clarity Enhancements