Buying jewelry that’s truly timeless begins with knowing it was crafted by master artisans whose work is imaginative, artful and whose pieces are epic. From July 17 to 26, Christie's “Summer Jewels” sale features over 100 pieces from young designers Lily Gabriella Elia, of Monaco, and Olivia Wildenstein, of Paris, world travelers who attribute the uniqueness of their collections to their wanderslust and love for art. Also in the sale are pieces from Marina B, Roberto Coin and Salavetti.