【London, UK】Lady Astor’s Cartier Tiara Doubles Estimate at Auction
Editor’s NoteA Cartier tiara once belonging to Lady Nancy Astor has sold at auction for £889,400, far exceeding its high estimate of £350,000. The…
Diamond Jewelry
【Geneva, Swit】Art Market: Caroline Lang Leaves Sotheby’s After 39 Years, 34 of Them in Geneva
Editor’s NoteThis article discusses the departure of a senior executive at Sotheby’s amid a period of significant restructuring. The piece reflects…
【Beijing, Chi】Labubu Figure Sells for 130,000 Euros at Auction in China
Editor’s NoteThis article highlights the remarkable sale of a giant Labubu figure for over €130,000 at a Beijing auction, underscoring the soaring…
【USA】GIA to Discontinue 4C Grading for Lab-Grown Diamonds…Reaffirming the Unique Value of Natural Diamonds
Editor’s NoteThis article discusses a significant policy shift by the Gemological Institute of America (GIA) regarding the grading of lab-grown…
【Japan】What’s Next for the Synthetic Diamond Market in Japan? Interview with ENEY’s Business Manager on the Current State and Future of the Lab-Grown Market
Editor’s NoteThis article examines the closure of De Beers’ Lightbox brand, a significant development in the lab-grown diamond sector. While Lightbox…
【Paris, Franc】Haute Couture Jewelry: A Booming Market
Editor’s NoteThis upcoming auction marks a significant shift in the Parisian vintage market. For the first time, a major sale will focus exclusively…
【Las Vegas, N】There’s No Business Like JCK Show Business
Editor’s NoteAmidst global economic uncertainty and volatile commodity prices, this report from the Las Vegas trade shows reveals a surprising…
【USA】GIA Redefines Lab-grown Diamond Grading Standards: Discontinuation of 4Cs System Enhances Differentiation Between Natural and Lab-Grown Diamonds
Editor’s NoteThe Gemological Institute of America (GIA) has announced a historic change to its grading system for lab-grown diamonds, moving away…
【USA】GIA, the Authoritative Gemological Institute, Revolutionizes Grading Standards for Lab-Grown Diamonds
Editor’s NoteThe Gemological Institute of America (GIA) has announced a significant shift in its grading approach for lab-grown diamonds, moving away…
【Hong Kong SA】GIA Redefines Lab-grown Diamond Grading Standards: Discontinuation of 4Cs System Enhances Differentiation
Editor’s NoteThe Gemological Institute of America (GIA) has announced a historic change, stating it will cease using the traditional 4Cs system to…