http://www.idexonline.com/RSS/Gemstones.rss Gemstones en 2026 IDEX Online Fri, 29 May 2026 21:34:53 GMT 10 http://www.idexonline.com/portal_FullNews.asp?id=51240 http://www.idexonline.com/portal_FullNews.asp?id=51240 A green jadeite necklace sold for HKD 200.2 million ($25.6 million) at Christie's Hong Kong, narrowly missing a world record. The Ethereal Jadeite Necklace, featuring 61 jadeite cabochon beads, hit its high estimate (HKD 110 million to 200 million).  Thu, 28 May 2026 05:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=51240 http://www.idexonline.com/portal_FullNews.asp?id=51238 http://www.idexonline.com/portal_FullNews.asp?id=51238 Gemfields sold $26.8 million of rough emeralds at its May auctions amid cautious demand, and warned it expects to offer a smaller-than-usual selection for sale next month. The UK-based gemstone miner also said it would have to be flexible about... Wed, 27 May 2026 05:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=51238 http://www.idexonline.com/portal_FullNews.asp?id=51212 http://www.idexonline.com/portal_FullNews.asp?id=51212 A huge 11,000-carat rough  ruby has been recovered in Mogok, Myanmar, according to state media. It's roughly half the size of the 21,450-carat rough gem found in ruby-rich Mogok in 1996 - often described as the largest discovered in the country - but is said to... Thu, 14 May 2026 10:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=51212 http://www.idexonline.com/portal_FullNews.asp?id=51126 http://www.idexonline.com/portal_FullNews.asp?id=51126 Gemfields reported a 32% drop in FY2025 revenue after a "difficult year," with disruptions to both its emerald and ruby mining operations. The UK-based miner said total annual revenue from continuing operations was down from $199.4 million... Thu, 26 Mar 2026 11:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=51126 http://www.idexonline.com/portal_FullNews.asp?id=51008 http://www.idexonline.com/portal_FullNews.asp?id=51008 A platinum Art Deco demi-parure that belonged to the late Queen Fabiola of Belgium is to be auctioned next month. The three-piece matching jewelry set comprises a diamond necklace of 38.62 carats, a 120-carat fancy briolette-cut aquamarine that can be ... Mon, 29 Dec 2025 10:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=51008 http://www.idexonline.com/portal_FullNews.asp?id=50972 http://www.idexonline.com/portal_FullNews.asp?id=50972 The Gemological Institute of America (GIA) is expanding its origin-determination services to include opal, peridot, and demantoid garnet from January. The origin of these gemstones can drastically affect their value. Black opal from Australia is more ... Sun, 14 Dec 2025 11:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=50972 http://www.idexonline.com/portal_FullNews.asp?id=50966 http://www.idexonline.com/portal_FullNews.asp?id=50966 A 13.54-carat Pariba tourmaline necklace set a world record at Christie's New York, selling for $4.2m. It was a highlight of the Magnificent Jewels auction yesterday (10 December) that raised a total of $46.5m. The Tiffany & Co. tourmaline and... Thu, 11 Dec 2025 10:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=50966 http://www.idexonline.com/portal_FullNews.asp?id=50939 http://www.idexonline.com/portal_FullNews.asp?id=50939 The Royal Blue, an iconic necklace of 16 Kashmir royal blue sapphires, weighing 104.61 carats, broke two world records when it sold for $16.2m at Christie's Hong Kong. It became the most expensive Kashmir sapphire necklace ever sold at auction, beating... Tue, 2 Dec 2025 02:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=50939 http://www.idexonline.com/portal_FullNews.asp?id=50920 http://www.idexonline.com/portal_FullNews.asp?id=50920 One of the world's biggest emerald rocks - weighing 300kg (661lbs) - has been discovered in Madagascar's presidential palace after the country's former leader Andry Rajoelina was overthrown in a coup last month. The massive gem has reportedly been hidden... Mon, 24 Nov 2025 21:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=50920 http://www.idexonline.com/portal_FullNews.asp?id=50819 http://www.idexonline.com/portal_FullNews.asp?id=50819 Sotheby's sales of fine jewelry and watches in Paris raised over $10.9m (EUR 9.3m) last week - the best results for the twin events since 2018. It was the fourth consecutive white glove sale - an auction in which no lot is left unsold - for fine watches, and nearly ... Sun, 12 Oct 2025 08:00:00 GMT http://www.idexonline.com/portal_FullNews.asp?id=50819