“I adore modern uses of pearls—particularly with colored gemstones.” —Senior editor Jennifer Heebner          Imperial is nailing fresh design with this sweet crescent style featuring freshwaters, amethysts, and a hint of diamonds. (Imperial, $875, imperialpearl.com) All of my favorite happy hues are accounted for in these chic front-to-backs with golden pearls and sapphires. (Yoko London, $7,700, yokolondon.com) The color party in this slim sapphire cuff is intense but the white freshwater on top keeps it humble. (Melanie Georgacopoulos, $5,400, melaniegeorgacopoulos.com) The recipe for a badass pair of earrings: Tahitian pearl studs and spiked jackets in black rhodium gold with color-enhanced blue diamonds. (Nikos Koulis, $5,750, nikoskoulis.gr)   Mind blown—it’s a pearl geode! A sliced souf