Zurich, Switzerland — Cartier owner Richemont reported record quarterly sales on Thursday, beating expectations as a slump in key market China was offset by robust demand in other regions.

Known as the Cartier Halo tiara, it’s made up of 739-brilliant cut diamond and 149 baguette diamonds, and was lent to Kate by the Queen. Tradition dictates that tiaras should only be worn by brides on ...