Located near René Lalique’s original workshop on the Place Vendôme in Paris, the new two-level Lalique boutique on the rue de la Paix celebrates its founder’s first passion: jewelry. In celebration of the new store, the French luxury-goods house has unveiled a brand-new jewelry collection, Soleil de Gaïa.

Before delving into glassmaking in the early 20th century, Lalique’s founder specialized in designing art nouveau jewelry and accessories, including necklaces and hair combs. Several of these original piec…