TrekStor, a leading manufacturer of high quality audio players, external hard disks and USB sticks, received in 2007 an order from Russian-Canadian billionaire and owner of the Midland Formula 1 team, Alex Shnaider, to develop the world’s most expensive MP3 player so he could then auction it off to raise money for Cancer Research.

This luxurious piece of jewelry, features 18-karat gold casing and 63 diamonds that together make up 1-karat, which leaves us with one hefty price tag of $20,000. The player is also embellished with a small chain that includes aquamarine gems.

Jewelers Wenthe in Mannheim/Germany put over 100 hours of pains-taking handiwork into the exquisite gadget. It features 1GB of storage, and has dual headphone jacks.