Bieber's 'Family Guy' Necklace Worth $25,000!

5/25/2011 11:45 AM PDT

Bieber's 'Family Guy' Necklace -- Worth $25,000!

Justin Bieber dropped $25,000 on his new Family Guy-inspired necklace -- which contains over 12 CARATS of rubies and diamonds-- and TMZ has learned, the singer helped design the whole thing.

Famous Beverly Hills jeweler Jason Arasheben tells TMZ, he and Bieber designed the Stewie pendant together -- adding, Justin "had a specific vision for how he wanted it to look."

Jason tells us, the necklace contains 12 carats of precious stones -- including multi-colored rubies and white diamonds -- and they're all set on 14-carat gold.

Victory shall be Bieber's!