this is the 16 inch necklace and the center dangle is an additional one inch long bringing the front length to 9 inches from center of neck to end of longest pearl strand
The earrings shown with this piece have an upgraded sterling silver 925 stamped earwire (simple)
and the dangle is two inches long.
Here is an additional set of earrings that are shorter
The earrings have the upgraded 925 sterling earwires (same as above)
and the dangle is just over one inch long.
Here is a picture of the clasp on the back of the necklace.