J.Crew dupe necklace:  $2.17 (BIN:  $8.99)

J.Crew bubble bib necklace dupe:  $1.75 (BIN: $4.89)

Crystal gem necklace:  $1 (BIN: $6.99)

Peacock feather necklace:  $5.50 (BIN:  $13.99+)

Blue gem necklace:  $1.77 (BIN:  $6.99)

All off eBay.