Just in time for the Valentine’s Day, Amosu Couture has festooned the Apple iPhone 4 with Swarovski crystals and a matching rose pink back.

The Amosu Couture Valentine Pink Swarovski iPhone 4 has been decked out with over 500 Swarovski crystallized element stones that adorn its frame.

It is priced at £2,699 ($4,400) and you have the possibility to engrave the back with a love message and choose your favorite color for the crystals.

De Bethune has released the Dream Watch IV, an iPhone 4S case that features a mechanical clock as well as protection for your phone… and your brain!

Clearly inspired by the unique piece made for Only Watch 2011 (below), the pocket watch face is made from blued titanium with gold and diamond stars.

The Dream Watch IV also provides electromagnetic protection for the user by reducing the physiological impact of its potentially damaging waves.

Luxury design company Brikk will launch a series of limited edition luxury iPhone cases, profits from which will benefit those in need around the world.

The limited edition collection revolves around the theme of “Altruistic Precision” and is launched with the Trim series of luxury titanium cases for the iPhone 4.

The luxury cases are available in gold, platinum, ‘black DLC’ and ‘grey stealth’ finishes and cost from $3,000 to $4,500.

Louis Vuitton has released four different cases for the iPhone 4. There is the Damier Azur Canvas, Damier Ebene Canvas, and of course the Monogram canvas cases.

Each one sports an ultra soft microfiber interior, so there is no threat of scratches and is ultra slim so it fits into your pocketbook or pants pocket with ease.

Each Louis Vuitton case retails for $290. It costs almost 50% the cost of iPhone itself but that is the price you pay for style and a luxury brand.

Luxury mobile phone manufacturer Gresso, unveiled its new exclusive project, the iPhone4 Time, “designed specifically for people living in the rhythm of world time”.

The iPhone4 Time Machine houses six independent mechanical Swiss watches behind the smartphone’s case protected by a mineral glass with diamond coating.

The 6 clocks display time zones of the world’s business hubs: Tokyo, Moscow, Paris, London, New York and Hong Kong.

Luxury phone maker Gresso has unveiled the new iPhone 4 Black Diamonds for Lady, in the case of the 200-year-old African Blackwood, combined with black and white diamonds, platinum and 18K rose gold.

The buttons on the panel feature 2-carats worth of black diamonds and an inside frame made of 18-carat rose gold with white diamonds.

The iPhone 4’s back panel has been decked out with black diamonds in 6 carats, in combination with 13 carats of stunning white diamonds.