In other words, don’t hold back. Spring’s silky, flowing garments are ideal backdrops for the big, bold pendant necklaces shaping up in studios around the world. A wide medallion of metal or stone (or both) stationed against the torso can efficiently anchor a billowing silhouette, or serve as the focal point for a smart-­looking shift dress. If an outfit needs a little oomph, go big, indeed…with one of these substantial accessories.1. (above) 18k gold and silver pendant with 19.86 cts. t.w. rainbow moonstones on a silk and moonstone chain; $2,100; Rina Limor, New York City; 800-999-0583; rinalimor.com 2. 22k gold and oxidized sterling silver Peacock pendant with 2.11 cts. t.w. diamonds, 2.2 cts. t.w. black diamond briolettes, and sapphire and tsavorite accents; $26,400; Arman at Fragments, New York City; 212-334-9588; armanjewelry.com 3. Antiquity pendant in 20k gold with dru