The Parisian diamond jewellery house Messika turns 20 this year and celebrations—kicking off in July during Haute Couture Week and culminating in September for Paris Fashion Week—are sure to be star-studded affairs. The brand is a celebrity favourite, outfitting Charlize Theron, Kristen Stewart and Eva Longoria for the red carpet; while Kendall Jenner has fronted the brand’s campaigns since 2022.
The daughter of a diamantaire, artistic director Valérie Messika founded her brand with a…

