Earrings
From My Little Wiki
Earrings came primarily with the Dance and Prance ponies but were also available with some of the pretty up sets.
Pink with dark pink jewels came with D.J.
Blue with blue jewels came with Swinger
Aqua with aqua jewels came with Tap Dancer
Pink with pink centers came with Player
Purple with purple centers came with Songster
Pink with pink centers came with Twirler
Silver with pink centers came with From the Designer Collection Pony Wear