The necklace is having a major moment.
Jessica Biel
In a Tiffany & Co. platinum, gold, and diamond necklace and an assortment of Tiffany & Co. rings.
Dakota Johnson
In a vintage Cartier necklace.
Ruth Negga
In Irene Neuwirth jewelry featuring Gemfields responsibly-sourced Mozambican rubies.
Salma Hayek
In Fred Leighton jewelry.
Janelle Monae
In an Ellie Saab necklace attached to her gown, Forevermark diamonds, and a Jennifer Behr headband.
Nicole Kidman
In Harry Winston's diamond and spinel drop earrings.
Charlize Theron
In Chopard Garden of Kalahari earrings.
Emma Stone
In Tiffany and Co. earrings and a gold Planned Parenthood pin.
Taraji P. Henson
In Nirav Modi statement necklace and a diamond and emerald ring.
Rosalind Ross
In a Bulgari diamond, sapphire, and aquamarine necklace and earrings.
Emma Roberts
In Atelier Swarovski fine jewelry collection.
Alicia Vikander
In Bulgari diamond necklace.
Isabelle Huppert
In a Repossi ear cuff.
Lara Dern
In a diamond Serpenti Bulgari earrings and sapphire ring.
Karlie Kloss
In Nirav Modi.
Naomi Harris
In Bulgari diamond earrings.
Kirsten Dunst
In Niwaka diamond earrings and necklace.
Faye Dunaway
In Bulgari diamond necklace with sapphires and flower earrings.
Sarah Bareilles
In Italian jewelry designer Marco Bicego.
This story originally appeared on Townandcountrymag.com.
* Minor edits have been made by the Townandcountry.ph editors.