The Bulgari muse served Old Hollywood glamour in pink gold earrings, punctuated with marquise diamonds, tourmalines, morganites, and mandarin garnets.

Greta Lee upped the glamour of her Loewe look with drop platinum and diamond earrings, a Tiffany Archives diamond and emerald bracelet, and a ring in platinum with green tourmaline.

Emma Stone accented her clean Louis Vuitton look with a sleek yellow diamond necklace from the brand’s high jewelry collection.

Margot Robbie chose a cylindrical vintage Fred Leighton bangle, the perfect compliment to her sculptural Versace gown.

Murphy wore a bespoke brooch inspired by Oppenheimer by Hong Kong-based design house Sauvereign, and an Omega watch to accept his Best Actor Oscar.

Ariana Grande looked every bit the princess in a 14-carat Tiffany & Co. pendant and 34-carat earrings in morganite and diamonds.

Ferrera accentuated her sparkling pink Versace gown with a stunning rubellite and diamond necklace and coordinating ring.

Best Actress nominee Gladstone chose a geometric Bulgari necklace featuring turquoise, sapphires, and diamonds, and elongated oval drop earrings.

The director paired Boucheron’s Vendôme necklace with a Champagne Gucci gown.

Jennifer Lawrence wore Swarovski’s take on the classic tennis necklace and bracelet.

Sandra Hüller complemented her custom Schiaparelli gown with a classic Cartier choker.

Florence Pugh played the snake charmer in a signature diamond wrap necklace from Bulgari.

Taylor-Joy sparkled in a diamond necklace in platinum and yellow gold, a Jean Schlumberger by Tiffany ring, and a diamond ring.

The actress made a statement in a tanzanite and brown diamond choker from Pomellato.

Michelle Yeoh paired architectural earrings by Cindy Chao with her glittering Balenciaga gown. She also wore a glitzy timepiece from Richard Mille.

Simu Liu added a bit of flair to his minimal suit, pinning it closed with a swirling DeBeers brooch. He also added a blue Jacob & Co. watch to his look.

Lupita Nyong’o wore five diamond pieces from DeBeers, including a dripping (nearly 16-carat) bracelet.

Charlize Theron proved that more can be more by piling on Boucheron diamonds with her silver Dior dress.

Huy Quan paired his classic tux with a geometric brooch, designed by Cartier, and a Santos watch from the brand.

Carey Mulligan kept it classic in oversized diamond studs from Fred Leighton.

Wright wore an Omega watch and a sparkling flower pin on his lapel.

Brown wore a Boucheron “Barette” brooch in platinum, set with diamonds and sapphires, from 1919.

Gabrielle Union stunned in a platinum and aquamarine necklace, Tiffany Soleste earrings, and a diamond ring.

Rita Moreno stole the show in vintage Verdura gold, platinum, and diamond “Twisted Horn” ear clips.

Emily Blunt doubled up Tiffany & Co. diamond necklaces, including a layered style weighing over 60 carats, to dazzling effect.

Domingo piled on the David Yurman and added an Omega watch.

Erivo emphasized her amazing nail art with handfuls of rings from Louis Vuitton’s high jewelry collection. She also wore a pair of drop earrings from the brand.

Danielle Brooks complemented the simple neckline of her gown with a DeBeers Drops of Light necklace—weighing in at 20 carats—and diamond drop earrings.

Gummer’s diamond drop necklace from Briony Raymond was the perfect pairing with the daring neckline of her Gucci dress.

Ncuti Gatwa added a Jean Schlumberger by Tiffany Four Leaves brooch to his sleek suit.

Longoria wore a sculptural, diamond necklace from Bucherer.

McConaughey addres Jacob & Co.’s Jean Bugatti watch, designed to mimic the dashboard of a Bugatti, to his look.