Catherine Zeta-Jones

The partner: Michael Douglas

The ring: 10-carat marquise diamond

The proposal: December 1999

The marriage: November 2000

Welsh actress Catherine Zeta-Jones is celebrated for her roles in “Chicago” and “The Mask of Zorro.” She and Michael Douglas, an acclaimed actor with a storied career in Hollywood, shared an electric connection from their very first meeting. Their engagement was solidified on New Year’s Eve with a stunning 10-carat marquise diamond ring.

The marquise diamond is known for its ability to maximize carat weight and appearance, reflecting the couple’s desire for a blend of traditional elegance and bold statement. Estimated to cost around $442k, it symbolized Michael’s love, and they wed in a lavish ceremony at the Plaza Hotel in New York City the following year.