Rosantica Rosantica - Designer Michela Panero has created a distinctive aesthetic for Rosantica that nods to bygone-era opulence - and this gold-tone Caos choker is a case in point. It's sculpted by local artisans in Milan, Italy with an articulated, adjustable shape and embellished with tiny clear, brown and purple crystals. Try wearing it with dynamic necklines to complement the clean lines.