【Carlsbad, Ca】GIA Announces New Colored Stone Reports and Expanded Origin Services Effective January 2026

Editor’s NoteThe Gemological Institute of America (GIA) has announced a significant update to its colored stone services. Beginning January 1, 2026,…

What Are the Different Types of Diamonds? Learn How They Differ from Each Other

Editor’s NoteThis article explores the diverse classifications of diamonds, moving beyond the common focus on carat or cut to examine their distinct…

【Hong Kong】The Pink Star: Inside the $71M Record-Breaking Diamond Sale

Editor’s NoteThis article explores the record-breaking 2017 auction of the Pink Star diamond, detailing the factors behind its historic $71.2 million…

300 Carat Pink Diamond: Largest Found In 300 Years

Editor’s NoteThe recent discovery of a 300-carat pink diamond—the largest in three centuries—highlights a pivotal moment for the gemstone industry….

【Lesotho】Diamond Larger Than Kohinoor Found in Africa! Your Eyes Will Pop Out, Price Determination Will Cause an Uproar!

Editor’s NoteThis article reports on the discovery of a 108.39-carat pink diamond in Lesotho, anticipated to create significant market interest and…

【Lesotho】One of the World’s Largest Pink Diamonds Has Just Been Found in South Africa

Editor’s NoteThe discovery of a 108.39-carat pink diamond in Lesotho is a landmark event for the gemstone industry. Its exceptional size, color, and…

Gemstone Identification Through Molecular Spectroscopy and Spectral Imaging: A Non-Invasive Method for Authenticating Turquoise

Editor’s NoteThis article explores the enduring appeal of turquoise, one of history’s most cherished gemstones, and examines the long-standing…

IIGJ Lab Updates Ruby Treatment Report Terminology to Align with Global Laboratory Standards

Editor’s NoteThis article has been updated to reflect the IIGJ Laboratory’s revised terminology for ruby treatment reports, which aims to standardize…

World’s 10 Most Expensive Diamonds, Full of Mysteries and Priced So High a Calculator Would Fuse, 3 Linked to India

Editor’s NoteThis article explores the allure and astronomical value of the world’s most precious diamonds, delving into the stories behind these…

【Switzerland】Julia Griffith Becomes SSEF’s Head of Education

Editor’s NoteJulia Griffith, a noted educator and founder of the Gem Academy, has been appointed head of education at the Swiss Gemmological…