There is a greenhouse smack in the middle of Bijorhca. But the clear-walled conservatory contains no out-of-season plants; rather, it’s a showcase for spring-summer 2016 trends—and a chance for the French fashion jewelry trade fair, held Jan. 22–25 at Paris Expo Porte de Versailles, to flaunt not only its style savvy but also its most eye-catching designs. There was Sensuelle Romance (Sensual Romance), which featured vintage-style pearls, lacy gold pieces, and, bien sûr, tiaras; Géométrie Variable (Variable Geometry), a primary color–saturated mix of materials such as Perspex, vinyl, steel, and and resin; Terre de Soleil (Land of Sunshine), an ethnic-infused blend of leather, wood, raffia, and seed beads, all in muted tones; and Escale Exotique (Exotic Interlude), a cheery multihued menagerie of feathers, flora, and fauna. “The presentation was indeed very impressive,â