Designers to look for at Jewelers International Showcase in Miami, Oct. 15–18:(Above)1. Lattice collection bangle in sterling silver and rubber with amethyst, lavender, pink, and white CZ; $665; Belle Étoile, San Francisco; 877-838-6728; mybelleetoile.com 2. Silver ring with 18k gold and carved amethyst center; $612; Cydonia & Co., Great Neck, N.Y.; 516-472-7421; cydoniajewelry.com 3. Nude Casual earrings in 18k white gold with smoky quartz, diamonds, and rock crystal; $2,994; Brumani, São Paulo; 55-11-3088-2725; www.brumani.com 4. Snake pendant necklace in 14k white gold with colorless and black diamonds; $6,360; MK Diamonds, Los Angeles; 800-624-2634; mkdiamonds.com 5. Pendant in 14k gold with 1 ct. rough brown diamond center and 0.25 ct. colorless diamonds; $1,600; I.D.I. Design Group/Meira T. Designs, New York City; 212-398-0606; meiratdesigns.com