16" inch long with 9mm fresh water white pearl drop. Front magnetic closure in 14k gold-filled bar chain. 

Along with the fresh water pearl dark pearl. 

Measurements:

2.5 inch pearl drop with chain 
3.5 inch pearl drop with chain 

Pearl measures 9mm and 12mm or 7.5mm and 5.5mm

Handcrafted in Mabel's San Francisco atelier.