Ok! Here is what I've seen these ladies go for recently:
Their market fluctuates wildly, but this is on average what I've seen them go for
Dara: $15~
Chloe: $5~
Nicki: $10-15
Calla: (w/accesories) $20~
Lani: $20~
Ariel: $10~
Jolene w/ accessories: $60-70
Fallon: $15~
Janel: $15
Sarena: $10~
Raquel: $20~
Darci: $25~
Cleo: $25-30 (price seems down lately)
Tonya: $30-40
Tamara (high head/original pose): $20
Tamara (alt. Pose) $15
Devon: $60-75 (may be too high)
Corrine: $10
Justine: $15
Any corrections from anyone else are welcome