18ct white gold and diamond 'Lune' ring, Chanel, designed as an open band wrapped around the edge of the finger, the front embellished with a crescent of bead-set brilliant-cut diamonds beside another of bezel-set round diamonds, topped with a claw-set en tremblant diamond star, the diamonds together weighing approximately 0.67 carat, size J, stamped Chanel, CN366251, French hallmarks.