14K White Gold. Beautiful piece designed in three layers, outer part shaped like the star of David and set with six round diamonds, second layer on top is also set with six round diamonds. The third layer is the center that has six round diamonds set with V-shape semi bezels, and the center round brilliant diamond is invisible set. There are a total of 38 diamonds. Size of stud is 10 mm x 11.15 mm. Push back posts.