ANITA KO Vivi 18-karat gold diamond necklace

Anita Ko's exquisite fine jewelry has been worn by the likes of Michelle Obama, Queen Rania of Jordan and Scarlett Johansson. Crafted from 18-karat gold, this 'Vivi' necklace is set with sparkling round- and marquise-cut diamonds totaling 3.42-carats. Frame the drop with a plunging neckline.