Stay "on trend" with this Valentino Stud-Embellished Leather iPhone Case ($245 at Net-A-Porter.com). This designer sleeve will showcase your fashion savvy.

This Special Edition iPhone Original Strada Case by Orbino ($249 at Orbino) is made out of cognac ostrich skin. It also comes equipped with leather lining, as well as a spring loaded combination belt clip and desk stand in polished palladium metal.

Each crystal on this Owl Swarovski Crystal iPhone 4 Case ($289.99 at Amazon.com) is hand set. Maybe that's why it's so pricey? The cute mobile outfit is also hand polished, assembled and tested to guarantee quality.

This Goldstriker 18ct Gold Edition iPhone Case ($2,286 at Goldstriker.co.uk) also comes with the iPhone. If you already have an iPhone, you can contact the retailer for details on how to turn your phone into a luxury, gold brick.

Slide your mobile device into the Louis Vuitton iPhone 4 Case ($290 at LouisVuitton.com). Its soft interior will keep it snug while its signature monogram canvas will keep it stylish.

This Dolce & Gabbana iPhone Chain-Strap Wallet ($595 at Neiman Marcus) multi-tasks as a case for your iPhone and as a wallet. This leather accessory, which comes in silver or bronze, can house your ID, credit cards and your mobile device.

We found this handmade Toki Doki Kitty Swarovski Crystal iPhone Case ($365 at Etsy.com) on crafty haven Etsy. It's got over 1,600 genuine Swarovski crystals and can be handwashed with soap and water.

This Maison Martin Margiela Shearling-Lined Leather iPhone Case ($395 at Net-A-Porter.com) is outfitted better than most winter boots. Your cellie will sit comfortably in this luxury find.

Who knew a small piece of real wood could be so pricey? This iWood 4 Contour for iPhone 4 ($160 to $202 at Miniot) will set you back three digits. It's made out of the "very best hand-picked wood species" from "FSC supply and well-managed forests," so it must be worth it!