From akoya to freshwater and Tahitian to South Sea, whether perfectly round or beautifully baroque, these oceanic jewels are a pitch-perfect mix of style and salability. Photographs by Ted Morrison • Guitars provided by Matt Umanov Guitars NYC THE SWEETEST SOUNDS COME FROM THE SOUTH SEA. (Above) Bracelet in 18k rose gold with white South Sea pearls, amethysts, and diamonds, $47,977, ring in 18k rose gold with South Sea pearls, amethysts, and diamonds, $17,397, Tara & Sons, NYC, 212-575-8191, tarapearls.com TUNE IN, TURN ON, AND OPEN UP TO THESE AIRY CUFFS. Open cuff in 18k gold with a gold-capped baroque freshwater pearl, $3,990, Mizuki, NYC, 212-941-0332, mizukijewelry.com; bypass cuff in 18k gold with South Sea pearls and diamonds, $3,300, Baggins, Los Angeles, 213-624-2277, bagginspearls.com; open cuff in 14k gold with baroque-shape Tahitian pearls, $6,490, Fern F