Brooch and a pair of ear clips by Jean Schlumberger for Tiffany & Co.

Brooch:
Signed "Tiffany Schlumberger", stamped with makers mark and hallmarks
USA, 1973
Set in the middle with an orange sapphire of approximately 35.00 cts, surrounded by white and yellow diamonds totalling approximately 8.00 cts.
Yellow gold and platinum
(10054369)

Pair of ear clips:
Signed "Tiffany Schlumberger" and "Made in France", stamped with hallmarks
1960s
Set with brilliant-cut diamonds, totalling approximately 8.00 cts.
The drop-shaped bottom part can be detached from the leaves; the leaves can be worn separately as ear clips.
Yellow gold and platinum
(10054370)