A beautiful Nickel-free Sterling silver caramel and white, 4 heart shape Designo ring. Featuring white resin with caramel color flower accents . Designo, is our exclusive line of luminous colored resin combined with sterling silver and anti-tarnish rhodium. The colored resin is extremely durable and scratch resistant and the rhodium gives pieces a brilliant platinum-like finish. Designo was created exclusively for us by designer Alan K.