A Tiffany & Co. ring featuring a 10.02-carat diamond could fetch as much as $700,000 at an upcoming online Christie’s sale. The piece bears an emerald-cut, D-color, internally flawless, type IIa ...

Mountain Province’s revenue fell in 2025 as the diamond industry faced challenges that resulted in weak rough prices. Sales of rough from the company’s Gahcho Kué mine in Canada dropped 43% to $111.5 ...

Grandview Klein Diamonds has inaugurated a new office and manufacturing facility in South Africa. The launch took place last month in the presence of the company’s leadership and senior executives ...

The Antwerp World Diamond Centre (AWDC) is holding a public event through which it will warn consumers about the risk of deception when purchasing natural jewelry. The organization will be located at ...

Signet released preliminary financial data because it is participating in a presentation on Monday at Citi’s Global Consumer & Retail Conference. Its holiday performance will no doubt be a major topic ...

Diamonds were the most popular gemstone at the two recent shows the Hong Kong Trade Development Council (HKTDC) organized, according to a survey it carried out at the event. The diamond was the most ...

Burgundy Diamond Mines has secured a further CAD 60 million ($44 million) on top of the previous loan it received in December. It received the financing from Canada’s Large Enterprise Tariff Loan ...

Tom Moses, executive vice president and chief laboratory and research officer at the Gemological Institute of America (GIA), will be leaving after almost five decades with the organization. Moses has ...

The US Court of International Trade (CIT) has ordered the government to pay back taxes the Trump administration collected, which have since been deemed unlawful. Last month, the US Supreme Court nixed ...

The global colored-gemstone industry is navigating an unusual contradiction: Demand has softened in several key consumer markets, yet prices for fine material remain elevated. The supply of ...

An unmounted emerald and an emerald and diamond necklace each achieved $83,050 at a recent Bonhams auction, beating their upper estimates. The unmounted oval-shaped, 2.95-carat Colombian emerald made ...

Swatch Group has published an open letter on its website criticizing the recent “Ninth Annual Swiss Watcher” report from financial services firm Morgan Stanley. The research report lacked rigor, ...