The CEO of retailer Ben Bridge and president of the American Gem Society reveals her insights on bridal, synthetics, and selling to the Gen Z consumer.

Feeling blue-green: A type of chalcedony discovered by chance in the islands of Indonesia, this gem is distinctive for its gleaming copper flecks.

More than academic: In a bid to set guidelines for the colored-stone sector, the American Gem Trade Association is launching a joint study with the Colorado School of Mines.

Polishing up the past: When does it make sense to recut antique diamonds? New York-based jeweler Bernard Nacht & Co./Under the Crown created the proprietary Crown Jubilee cut for just that purpose. Ross Nacht, its director of sales and brand development, offers some insight.

Richemont’s new Enquirus database program aims to help combat jewelry and timepiece theft.

Fresh faces on show: Colorful dials, comfort sizing, and contemporary twists on classics dominated the debuts at the Geneva fair.

A study in yellow: Boasting almost 217 carats of fancy-colored diamonds, the Jacob & Co. Billionaire Timeless Treasure is a golden-hued masterpiece.

Women of the hour: Phillips specialist Isabella Proia offers five tips for selling to this growing demographic.

A class of its own: Lecturer Vanessa Cron delves into the cultural significance of the pieces we wear.

Star lot: The finders of this 55-carat ruby – the largest to go up for auction – hope to boost publicity for Mozambican stones.