JCK’s sister show, coming to Mandalay Bay May 31–June 6, offers a luxe experience from breakfast to bedtime.   (Above) Stud earrings in 18k white gold with emeralds and sapphires; $35,200; Andreoli, NYC; 212-582-2050; andreoliusa.com   (Inset) Y necklace in platinum with 37 cts. t.w. diamonds (including 3.01 ct. Forevermark center); price on request; A. Link, NYC; 212-838-5355; alinkandco.com   Braided bangle; $495; Alisa Designs, Manalapan, N.J.; 888-253-6600; alisadesigns.com   14k Vanilla Gold ring with Ceylon sapphire, Vanilla Diamonds, and Blueberry Sapphires; $3,747; Le Vian, Great Neck, N.Y.; 877-253-8426; levian.com   Pendant necklace in 14k gold with chevron-shape amethyst and diamonds; $1,165; Artistry Ltd., Skokie, Ill.; 888-674-3250; artistrylimited.com