FROM TOP: Paula Crevoshay's diamond butterfly pin is an enchanting gem. Vera Wang's charm captivates with green tourmaline and diamond bezel. Toby Rhinehart's diamond bangle in 18K white, yellow and rose gold is a whimsical wonder; available at the Ross Jewelry Company. Henry Dunay's 18K gold turtle with diamond accents is playfully perched on a polished coral stone. The Newport Collection bursts with color in sterling silver, 18K gold, diamonds and gem stones; available at Judith Ripka. Alisa Jewelers' regal ring crowns the finger with swirls of diamonds on a pink and white gold ring; available at IJO Master Jewelers.