【London, UK】Lady Glenconner, Nancy Astor Jewels Fly Out of Bonhams at London Sale
Editor’s NoteThis article describes the remarkable auction of Lady Glenconner’s antique diamond tiara, which sold for more than double its pre-sale…
High-Value Sale
【New York, US】Sotheby’s Landmark Jewelry Sale Raises $44m
Editor’s NoteSotheby’s celebrated its new global headquarters in New York with a landmark evening jewelry auction—its first in ten years—generating…
Rare Mellon Blue Diamond Could Make $30 Million at Sale
Editor’s NoteA rare and exceptionally vivid blue diamond, expected to command a price of up to $30 million, is set to highlight the upcoming auction…
【Hong Kong】Christie’s Hong Kong Magnificent Jewels and Jadeite Jewellery Auction Achieves Total of HK$538 Million / US$69.4 Million, Leading the Market
Editor’s NoteThis report details Christie’s successful Hong Kong jewellery auction in November 2025, which achieved a strong sell-through rate and…
【Geneva, Swit】Diamond “Mellon Blue” Sells for $25.6 Million
Editor’s NoteA rare 9.51-carat blue diamond, known as the “Mellon Blue,” has sold for 20.5 million Swiss francs ($25.6 million) at auction in…
【Geneva, Swit】9.5-Carat Blue Diamond Sells for USD 26.6 Million in Geneva
Editor’s NoteThis article reports on the record-breaking sale of the “Mellon Blue” diamond in Geneva, highlighting its provenance and the significant…
【Geneva, Swit】Sold! A Blue Diamond Fetches Over $25 Million at Geneva Auction
Editor’s NoteA vivid blue diamond named the “Mellon Blue” has sold for over $25 million at auction in Geneva, setting a new benchmark for gemstones…
【Geneva, Swit】Vanderbilt Family’s Gilded Age Treasures Shine in $4.2 Million Sale
Editor’s NoteThe Vanderbilt jewels achieved a remarkable result at Phillips Geneva, with all 12 pieces selling for a total of CHF 3.4…
【New York, US】Kashmir Sapphire Ring Tops Christie’s Online Auction
Editor’s NoteA 16.58-carat Kashmir sapphire ring sold for $1 million at Christie’s online auction, meeting its pre-sale estimate. Kashmir Sapphire…
【Paris, Franc】JOAILLERIE PARIS Auction Totals €16.7M
Editor’s NoteThis article highlights the remarkable success of the recent Joaillerie Paris online jewelry sale, which achieved €16.7 million—double…