Two of the most prominent groups of diamond collectors will converge on October first at Phillips de Pury when rappers and hip-hop moguls mingle with royalty at the Hip Hop’s Crown Jewels auction. Among the items up on the block is a Guinness World Record holder; Lil' Jon is selling his infamous Crunk Ain't Dead 12-pound bling-studded accessory, notable for being the largest diamond pendant necklace in the world. No word yet on how much the bauble is expected to bring in ($500k is its reported value, and that doesn't include the priceless feeling of wearing a piece that used to sit next to the pimp cup), but its final selling price is guaranteed to become a lyric in a Lil' Jon song. The auction will also feature pieces owned by Missy Elliot, Tupac, Notorious B.I.G., Diddy, 50 Cent, and big names in the biz. Come, if you want to experience the sensation of eating your heart out.