【韩国】World’s Largest Diamond Rough Fails to Find a Buyer at Auction
Editor’s NoteThis article reports on the recent auction of the world’s largest diamond rough, which was withdrawn after failing to meet its $70…
Gemstone
【Geneva, Swit】Oppenheimer Blue Diamond Aims for Record in Geneva
Editor’s NoteA rare blue diamond named after its former owner is poised to make auction history in Geneva this week, potentially setting a new global…
【Sri Lanka】World’s Largest Sapphire Found in Sri Lanka: Valued at Over USD 100 Million
Editor’s NoteThe owner of a remarkable gemstone, who wishes to remain anonymous, has stated that due to its extraordinary size, the stone is…
【Botswana】Largest Diamond Rough of the Century Discovered in Botswana… Yields 1111 Carats After Cutting
Editor’s NoteThis article reports on the discovery of a historic 1,111-carat diamond rough in Botswana, the largest find of its kind this century and…
【New York, US】Sotheby’s: Payment Default on the World’s Most Expensive Diamond
Editor’s NoteThis 2014 report details the stunning default on the world’s most expensive gemstone, a 59.6-carat pink diamond sold for $83.2 million…
【Geneva, Swit】Pink Diamond Sells for 89 Billion Won at Auction… Highest Price Ever
Editor’s NoteA 59.6-carat pink diamond has shattered auction records, selling for $83 million in Geneva. This sale more than doubles the previous…
【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…
【Guangzhou, C】The More Fluid the Play-of-Color and the Higher the Hardness, the More Valuable the Genuine Opal
Editor’s NoteThis article highlights the strong demand for colored gemstones at auction, using opals as a case study. It notes that while…
【Bogotá, Colo】COLOMBIA. Unprecedented: An 11,000-Carat Emerald
Editor’s NoteThis article describes the exhibition of a colossal 11,000-carat raw emerald, hailed by its owners as potentially the world’s largest….
【Hong Kong】Christie’s to Auction Pink Diamond with Estimated Value of HK$150 Million
Editor’s NoteThis article highlights the upcoming auction of “The Perfect Pink,” a remarkable 14.23-carat fancy intense pink diamond. Prized for its…