【Lucerne, Swi】About the GIA Gem Project and the Gem Collection of Dr. Edward J. Gübelin
Editor’s NoteThe pioneering work of Dr. Edward J. Gübelin established the modern scientific foundation for gemology. His vast personal collection,…
GIA
【Las Vegas, N】GIA Offers New Reports, Insights, and Services at JCK Las Vegas
Editor’s NoteThis article highlights GIA’s offerings at the JCK Las Vegas show, including on-site laboratory services, the new Diamond Origin Report,…
【Las Vegas, N】GIA Offers New Reports, Insights and Services at JCK Las Vegas
Editor’s NoteVisit GIA at JCK Las Vegas (booth 18019, May 31–June 3) to explore their laboratory services, new Diamond Origin Report, sustainability…
【China】When the Lab and Natural Diamonds ‘Sit as Equals’: Has the Spring for China’s Gem-Grade Cultivated Diamonds Arrived?
Editor’s NoteThe Gemological Institute of America (GIA) will cease using the term “synthetic diamond” on its certificates starting in July, adopting…
Fancy Color Diamond
Editor’s NoteThis article highlights the contrasting value drivers between colorless and fancy color diamonds. While traditional D-to-Z diamonds are…
【Geneva, Swit】World’s Largest Orange Diamond Sells for 23 Million Euros
Editor’s NoteA remarkable piece of natural history, the world’s largest orange diamond has set a new auction record. This article details its journey…