Bella Hadid showed up at the opening night gala and Café Society screening in a collar by De Grisogono, accompanied by the brand's creative director Fawaz Gruosi. Photo by Getty Images.
Amal Clooney went classic Old Hollywood in a pale yellow Versace gown paired with Cartier drops. Photo by Getty Images.
At the opening night gala and Café Society screening, Susan Sarandon showed off a pair of Dauphin baubles. Photo by Getty Images.
Julia Roberts recalls Elizabeth Taylor's iconic red carpet pendant with a Chopard high jewelry collection emerald for the premiere of her film Money Monster. Photo by Getty Images.
Entertainment Tonight host Carly Steel has been spotted around the festival with a crystal mesh Swarovski clutch. At the opening night gala and Café Society screening, she paired it with white diamond earrings by de Grisogono. Photo by Getty Images.
For the Money Monster red carpet, Eva Longoria showed up with 45.8 carats of Messika around her neck. Photo by Getty Images.
Lottie Moss and elder sister Kate Moss showed up to the premiere of Loving in coordinating red gowns — but the similarities didn't end there. The sisters also both wore high-wattage jewels from Chopard; here, Moss layers a short necklace and delicate drops over her high-necked gown. Photo by Getty Images.
French model Cindy Bruna wore 33.84 carats of diamonds around her neck, and another 9.95 in her ears — not to mention the white gold and platinum settings, all by Chopard. Photo by Getty Images.
For the premiere of her new film by Nicolas Winding Refn, Elle Fanning wore a pink tourmaline and diamond pendant, a morganite and diamond ring, and a green tourmaline and diamond ring, all with platinum settings. Photo by Getty Images.
Charlize Theron complemented her Dior couture tuxedo with a diamond-and-emerald snake necklace by Cartier coiled about her neck. Photo by Getty Images.