The ovals in the link are approximately .38 inch wide (about 1cm). The longer ovals are .6 inch long, and the shorter ovals are .45 inch long. The necklace will be made to your length by the designer. It is a great necklace to wear at a longer length and simply put over your head. It has a large, very strong clasp.
On the Model:
This design can be found on the model's right arm - closest to her elbow.