Primary colors and classic silhouettes commanded the spotlight on TV’s big night Rachel Brosnahan The star of Amazon’s original comedy series The Marvelous Mrs. Maisel lived up to her name with a goddess-style drop-shouldered dip-dyed chiffon Oscar de la Renta gown that her stylist practically swiped right off the runway a week earlier. Tiffany & Co. jewelry—including waterfall-style diamond earrings from the brand’s new Paper Flowers collection—completed the Emmy-winning actress’ classic look. Truly marvelous!    ON BROSNAHAN (Top) Earrings in platinum with diamonds from the Tiffany Paper Flowers collection; $175,000; Tiffany & Co. UNDER $100,000 Luminal earrings with 16.58 cts. t.w. colorless marquise-, round-, and pear-shape diamonds; $73,000; Zydo Italy; ija@zydoamerica.com; zydo.it UNDER $250 Vivian marquise-cut earrings with Swarovski cryst