Update to the earrings.......
They were purchased from Sotheby's in 1985, here is what the paper work says,
PAIR OF NATURAL PEARL AND DIAMOND PENDANT-EARRINGS Circa 1925
The 2 natural pearl drops measuring approximately 22.6 x 13.6mm., and capped rose-cut and old-mine diamonds and suspended from fan-shaped tops of platinum also set with old-mine diamonds. Comes with a G.I.A. report.