Company’s bottom line also under pressure from investment in processing plants at emerald and ruby mines.

Ground expeditions: This new program takes collectors and jewelers on educational tours of colored-stone mines.

The Italian maison’s choice of bright colors and smoothly hidden settings reflects its philosophy of liberation.

As the industry heads to Tucson, Arizona, to explore the current offerings on the gemstone scene, our latest magazine takes a deep dive into the sector’s hottest issues.

Two gem suppliers’ innovative cuts are making peridot and ruby shine.

Eternal Pink diamond sells for same price at high-value Sotheby’s auction.

Sale fetches highest-ever revenue, average price and price per carat for a single lot.

11.16-carat, fancy-vivid stone has remained in the same European collection since its debut in 1970.

Mozambique-mined Estrela de Fura may set new auction record.

Purpose and profit: The costs of not embracing ethical practices are rising.