A vintage pair of drop earrings.
They test for platinum, there are no markings
The earrings are articulated and 1.85 inch, approx 47 mm long
The top white pearls are almost 10mm diameter and round, presumed cultured, saltwater
The bottom, south sea pearls are tear drop shaped and nearly identical.. The largest one is 12 by 13mm., presumed Tahitian 
The diamonds are flat topped, mixed cut and around 2mm  minimum diameter and there are 27 to each earring.
The earrings are  for pierced ears, with butterfly fixings. 
The white pearls are set in petal shaped platinum mounts. There is a trace of old yellow glue on one where it has been refixed.
Weight 15 gm