Sephora by OPI Nail Polish, Books With Style: Bazaar Fashion, Miu Miu Wallet, Smythson Notebook, Piggybank (With Chalk), Tory Burch Belt, Marc by Marc Jacobs Gloves.
Besides the norm of clothes, shoes, etc. for Christmas (or any occasion), going for novels, home necessities, etc. are also a winner. Here are some things I'm sure your sister, mom, partner or whom ever, wouldn't mind. All of these items range from $50-$500.