Five jewelers new to the Design Center at this year’s JCK Las Vegas… 1. Todd Reed: Ring with 2.22 ct. t.w. aquamarine set in ­palladium with 0.20 ct. t.w. black diamonds; $8,800; 303-442-6280; toddreed.com  2. Gregore Joiaillier: Mogul Fish earrings in 18k white gold with 0.52 cts. diamonds and 1.1 cts. t.w. pink sapphires; $5,700; 805-453-6073; ­gregorejoailliers.com3. Kara Ross: Large sterling cuff with 18k gold accents with coral and white ­sapphires; $2,815; 646-249-1987; kararossny.com4. Mark Patterson: A 16.90 ct. aquamarine in an 18k white gold pendant with 0.55 ct. melee, 0.38 ct. marquise-cut diamond, and 0.09 ct. pear-shape diamond; $19,180; 949-612-8505; markpatterson.com5. ZDNY & Co.: ­Earrings in 18k gold and silver with 2.10 cts. t.w. diamonds and 5.86 cts. t.w. black diamonds; $7,000; 631-673-9844; zdnyco.com