each half-moon shaped yellow and white gold ear clip featuring a bezel-set marquise-shaped diamond, accented by three round brilliant-cut diamonds; signed Zobel, Zo 730; 11.91 dwt; length: 1 5/8 in. Michael Zobel, original owner of Atelier Zobel, a celebrated jewelry designer with a lifelong passion for artistic expression, has carved an extraordinary path in the world of goldsmithing transforming his graphic ideas into precious material.