Girls, is buying jewelry for her on our first Christmas together inappropriate?

Years ago I started dating a girl in July and for Christmas I got her a gold necklace and an mp3 player. When she opened the package with the necklace I could tell she was a little uncomfortable, she basically said, "oh, that's nice" and set it aside. When she opened the mp3 player her eyes lit up and I got laid every night for a month! When we talked about she said the mp3 player was something she wanted and it made her feel good that I actually listened when she left hints and a necklace is a little to extravagant this early in a relationship. I've been seeing a new girl since Aug and don't wanna make the same mistake but was thinking maybe a pair of earings I am pretty sure she would like and a upright mixer she really wants. Should I do both or skip the earings?
Girls, is buying jewelry for her on our first Christmas together inappropriate?
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