Late Georgian, early Victorian era, open back collet set emerald green paste earrings modeled in 9k gold.
Two areas of note can be seen in last two photos. One of the smallest paste appears to be a replacement done in antiquity as the setting is slightly different than the others (3 crimps per side vs. 1). Additionally, one of the smaller paste on the other earring has a hairline crack that is only noticeable at 5x+ zoom. Measures 1.56in in total drop length (1.9in when including earwire) by 0.38in at widest point. Total weight is 5.40 grams.